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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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<PAGE> PAGE 7
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<PAGE> PAGE 9
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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
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<PAGE> PAGE 14
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<PAGE> PAGE 15
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<PAGE> PAGE 17
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<PAGE> PAGE 18
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<PAGE> PAGE 19
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<PAGE> PAGE 31
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<PAGE> PAGE 32
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<PAGE> PAGE 33
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<PAGE> PAGE 34
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<PAGE> PAGE 38
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<PAGE> PAGE 40
066 D000800 Y
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<PAGE> PAGE 41
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<PAGE> PAGE 42
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008 A000901 DEAN WITTER INTERCAPITAL INC.
008 B000901 A
008 C000901 801-42061
008 D010901 NEW YORK
008 D020901 NY
008 D030901 10048
015 A000901 THE BANK OF NEW YORK
015 B000901 C
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015 C020901 NY
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<PAGE> PAGE 43
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<PAGE> PAGE 44
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066 D000900 N
066 E000900 N
066 F000900 N
066 G000900 Y
067 000900 N
068 A000900 N
068 B000900 N
069 000900 N
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070 A020900 Y
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070 C020900 N
070 D010900 Y
070 D020900 N
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070 E020900 N
070 F010900 Y
070 F020900 N
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070 G020900 N
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070 H020900 N
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<PAGE> PAGE 45
070 M020900 N
070 N010900 Y
070 N020900 N
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<PAGE> PAGE 46
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008 A001001 DEAN WITTER INTERCAPITAL INC.
008 B001001 A
008 C001001 801-42061
008 D011001 NEW YORK
008 D021001 NY
008 D031001 10048
008 A001002 DELETE
015 A001001 THE CHASE MANHATTAN BANK,N.A.
015 B001001 C
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<PAGE> PAGE 47
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<PAGE> PAGE 48
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070 F021000 N
<PAGE> PAGE 49
070 G011000 Y
070 G021000 N
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070 I021000 N
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070 J021000 N
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<PAGE> PAGE 50
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008 A001101 DEAN WITTER INTERCAPITAL INC.
008 B001101 A
008 C001101 801-42061
008 D011101 NEW YORK
<PAGE> PAGE 51
008 D021101 NY
008 D031101 10048
008 A001102 MORGAN GRENFELL INVESTMENT SERVICES LIMITED
008 B001102 A
008 C001102 801-12880
008 D011102 LONDON
008 D051102 ENGLAND
015 A001101 THE CHASE MANHATTAN BANK,N.A.
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<PAGE> PAGE 52
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<PAGE> PAGE 53
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<PAGE> PAGE 54
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<PAGE> PAGE 55
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008 A001201 DEAN WITTER INTERCAPITAL INC.
008 B001201 A
008 C001201 801-42061
008 D011201 NEW YORK
008 D021201 NY
008 D031201 10048
015 A001201 THE BANK OF NEW YORK
015 B001201 C
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<PAGE> PAGE 56
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<PAGE> PAGE 57
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<PAGE> PAGE 58
070 R011200 N
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<PAGE> PAGE 59
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008 A001301 DEAN WITTER INTERCAPITAL INC.
008 B001301 A
008 C001301 801-42061
008 D011301 NEW YORK
008 D021301 NY
008 D031301 10048
015 A001301 THE BANK OF NEW YORK
015 B001301 C
015 C011301 NEW YORK
015 C021301 NY
015 C031301 10268
015 E011301 X
024 001300 Y
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025 B001301 13-5674085
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<PAGE> PAGE 60
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028 D041300 199
028 E011300 2761
028 E021300 0
028 E031300 0
028 E041300 65
028 F011300 4182
028 F021300 211
028 F031300 0
028 F041300 19
028 G011300 19222
028 G021300 272
028 G031300 0
028 G041300 285
028 H001300 0
045 001300 Y
046 001300 N
047 001300 Y
048 001300 0.750
048 A011300 0
048 A021300 0.000
048 B011300 0
048 B021300 0.000
048 C011300 0
048 C021300 0.000
048 D011300 0
048 D021300 0.000
048 E011300 0
048 E021300 0.000
048 F011300 0
048 F021300 0.000
048 G011300 0
048 G021300 0.000
048 H011300 0
048 H021300 0.000
048 I011300 0
<PAGE> PAGE 61
048 I021300 0.000
048 J011300 0
048 J021300 0.000
048 K011300 0
048 K021300 0.000
055 A001300 N
055 B001300 N
056 001300 Y
057 001300 N
062 A001300 N
062 B001300 0.0
062 C001300 0.0
062 D001300 0.0
062 E001300 0.0
062 F001300 0.0
062 G001300 0.0
062 H001300 0.0
062 I001300 0.0
062 J001300 0.0
062 K001300 0.0
062 L001300 0.0
062 M001300 0.0
062 N001300 0.0
062 O001300 0.0
062 P001300 0.0
062 Q001300 0.0
062 R001300 0.0
063 A001300 0
063 B001300 0.0
066 A001300 Y
066 E001300 Y
067 001300 N
068 A001300 N
068 B001300 N
069 001300 N
070 A011300 Y
070 A021300 Y
070 B011300 N
070 B021300 N
070 C011300 N
070 C021300 N
070 D011300 N
070 D021300 N
070 E011300 N
070 E021300 N
070 F011300 N
070 F021300 N
070 G011300 N
070 G021300 N
070 H011300 N
070 H021300 N
<PAGE> PAGE 62
070 I011300 N
070 I021300 N
070 J011300 Y
070 J021300 Y
070 K011300 N
070 K021300 N
070 L011300 Y
070 L021300 Y
070 M011300 N
070 M021300 N
070 N011300 Y
070 N021300 N
070 O011300 Y
070 O021300 Y
070 P011300 Y
070 P021300 N
070 Q011300 N
070 Q021300 N
070 R011300 N
070 R021300 N
071 A001300 19425
071 B001300 2648
071 C001300 9830
071 D001300 27
072 A001300 6
072 B001300 141
072 C001300 134
072 D001300 0
072 E001300 0
072 F001300 34
072 G001300 0
072 H001300 0
072 I001300 0
072 J001300 8
072 K001300 0
072 L001300 1
072 M001300 0
072 N001300 0
072 O001300 0
072 P001300 0
072 Q001300 0
072 R001300 13
072 S001300 1
072 T001300 0
072 U001300 0
072 V001300 0
072 W001300 0
072 X001300 57
072 Y001300 57
072 Z001300 275
072AA001300 77
<PAGE> PAGE 63
072BB001300 0
072CC011300 774
072CC021300 0
072DD011300 272
072DD021300 0
072EE001300 0
073 A011300 0.1747
073 A021300 0.0000
073 B001300 0.0000
073 C001300 0.0000
074 A001300 8
074 B001300 0
074 C001300 2434
074 D001300 5367
074 E001300 3265
074 F001300 8997
074 G001300 0
074 H001300 0
074 I001300 0
074 J001300 0
074 K001300 8
074 L001300 412
074 M001300 2
074 N001300 20493
074 O001300 275
074 P001300 143
074 Q001300 0
074 R011300 0
074 R021300 0
074 R031300 0
074 R041300 11
074 S001300 0
074 T001300 20064
074 U011300 1890
074 U021300 0
074 V011300 10.62
074 V021300 0.00
074 W001300 0.0000
074 X001300 3
074 Y001300 44
075 A001300 0
075 B001300 10313
076 001300 0.00
SIGNATURE BARRY FINK
TITLE VICE PRESIDENT
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - Money Market Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE - MONEY MARKET PORTFOLIO
<SERIES>
<NUMBER> 1
<NAME> MONEY MARKET PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 363,678,258
<INVESTMENTS-AT-VALUE> 363,678,258
<RECEIVABLES> 842,118
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<TOTAL-ASSETS> 364,530,988
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,825,537
<TOTAL-LIABILITIES> 1,825,537
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 362,705,163
<SHARES-COMMON-STOCK> 362,705,163
<SHARES-COMMON-PRIOR> 340,237,797
<ACCUMULATED-NII-CURRENT> 288
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 362,705,451
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 9,656,295
<OTHER-INCOME> 0
<EXPENSES-NET> 908,499
<NET-INVESTMENT-INCOME> 8,747,796
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 8,747,796
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (8,747,752)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 92,427,371
<NUMBER-OF-SHARES-REDEEMED> (78,707,757)
<SHARES-REINVESTED> 8,747,752
<NET-CHANGE-IN-ASSETS> 22,467,410
<ACCUMULATED-NII-PRIOR> 244
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 871,413
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 908,499
<AVERAGE-NET-ASSETS> 351,454,060
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.025
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (0.025)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.52
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - Quality Income Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE INVESTMENT SERIES - QUALITY INCOME
<SERIES>
<NUMBER> 2
<NAME> DEAN WITTER VARIABLE - QUALITY INCOME
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 496,512,495
<INVESTMENTS-AT-VALUE> 503,366,197
<RECEIVABLES> 32,324,663
<ASSETS-OTHER> 94,313
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 535,785,173
<PAYABLE-FOR-SECURITIES> 83,169,742
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 233,594
<TOTAL-LIABILITIES> 83,403,336
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 472,826,490
<SHARES-COMMON-STOCK> 43,849,051
<SHARES-COMMON-PRIOR> 45,752,768
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (27,298,355)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6,853,702
<NET-ASSETS> 452,381,837
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 16,753,260
<OTHER-INCOME> 0
<EXPENSES-NET> 1,178,813
<NET-INVESTMENT-INCOME> 15,574,447
<REALIZED-GAINS-CURRENT> 156,829
<APPREC-INCREASE-CURRENT> (2,810,285)
<NET-CHANGE-FROM-OPS> 12,920,991
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (15,641,976)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 433,855
<NUMBER-OF-SHARES-REDEEMED> 3,867,996
<SHARES-REINVESTED> 1,530,424
<NET-CHANGE-IN-ASSETS> (22,278,375)
<ACCUMULATED-NII-PRIOR> 67,529
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,132,840
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,178,813
<AVERAGE-NET-ASSETS> 456,891,442
<PER-SHARE-NAV-BEGIN> 10.37
<PER-SHARE-NII> 0.35
<PER-SHARE-GAIN-APPREC> (0.05)
<PER-SHARE-DIVIDEND> (0.35)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.32
<EXPENSE-RATIO> 0.52
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - High Yield Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE INVESTMENT SERIES - HIGH YIELD
<SERIES>
<NUMBER> 3
<NAME> DEAN WITTER VARIABLE - HIGH YIELD
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 318,562,915
<INVESTMENTS-AT-VALUE> 305,147,595
<RECEIVABLES> 7,040,562
<ASSETS-OTHER> 8,717
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 312,196,874
<PAYABLE-FOR-SECURITIES> 6,009,400
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 156,206
<TOTAL-LIABILITIES> 6,165,606
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 397,903,968
<SHARES-COMMON-STOCK> 50,213,567
<SHARES-COMMON-PRIOR> 42,004,612
<ACCUMULATED-NII-CURRENT> 223,148
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (78,680,528)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (13,415,320)
<NET-ASSETS> 306,031,268
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 17,429,453
<OTHER-INCOME> 0
<EXPENSES-NET> 728,912
<NET-INVESTMENT-INCOME> 16,700,541
<REALIZED-GAINS-CURRENT> (6,582,289)
<APPREC-INCREASE-CURRENT> 2,970,883
<NET-CHANGE-FROM-OPS> 13,089,135
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 16,492,603
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6,462,994
<NUMBER-OF-SHARES-REDEEMED> 986,265
<SHARES-REINVESTED> 2,732,226
<NET-CHANGE-IN-ASSETS> 46,482,727
<ACCUMULATED-NII-PRIOR> 15,210
<ACCUMULATED-GAINS-PRIOR> (72,098,239)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 691,945
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 728,912
<AVERAGE-NET-ASSETS> 279,071,610
<PER-SHARE-NAV-BEGIN> 6.18
<PER-SHARE-NII> 0.35
<PER-SHARE-GAIN-APPREC> (0.09)
<PER-SHARE-DIVIDEND> (0.35)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 6.09
<EXPENSE-RATIO> 0.53
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - Utilities Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE INVESTMENT - UTILITIES PORTFOLIO
<SERIES>
<NUMBER> 4
<NAME> DEAN WITTER VARIABLE - UTILITIES
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 321,038,834
<INVESTMENTS-AT-VALUE> 406,167,604
<RECEIVABLES> 3,407,617
<ASSETS-OTHER> 35,637
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 409,610,858
<PAYABLE-FOR-SECURITIES> 266,200
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 646,488
<TOTAL-LIABILITIES> 912,688
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 315,540,836
<SHARES-COMMON-STOCK> 26,024,177
<SHARES-COMMON-PRIOR> 28,734,976
<ACCUMULATED-NII-CURRENT> 301
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 8,028,263
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 85,128,770
<NET-ASSETS> 408,698,170
<DIVIDEND-INCOME> 7,037,224
<INTEREST-INCOME> 1,814,061
<OTHER-INCOME> 0
<EXPENSES-NET> 1,393,084
<NET-INVESTMENT-INCOME> 7,458,201
<REALIZED-GAINS-CURRENT> 8,068,074
<APPREC-INCREASE-CURRENT> 6,666,854
<NET-CHANGE-FROM-OPS> 22,193,129
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 7,457,900
<DISTRIBUTIONS-OF-GAINS> 5,380,334
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 21,146
<NUMBER-OF-SHARES-REDEEMED> 3,563,838
<SHARES-REINVESTED> 831,893
<NET-CHANGE-IN-ASSETS> (31,963,696)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 5,340,523
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,343,152
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,393,084
<AVERAGE-NET-ASSETS> 416,702,347
<PER-SHARE-NAV-BEGIN> 15.34
<PER-SHARE-NII> 0.28
<PER-SHARE-GAIN-APPREC> 0.57
<PER-SHARE-DIVIDEND> (0.28)
<PER-SHARE-DISTRIBUTIONS> (0.21)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 15.70
<EXPENSE-RATIO> .68
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - Dividend Growth Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE INVESTMENT - DIVIDEND GROWTH
<SERIES>
<NUMBER> 5
<NAME> DEAN WITTER VARIABLE INVESTMENT - DIVIDEND GROWTH
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 1,205,762,351
<INVESTMENTS-AT-VALUE> 1,662,983,202
<RECEIVABLES> 8,484,177
<ASSETS-OTHER> 14,694
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,671,482,073
<PAYABLE-FOR-SECURITIES> 9,832,634
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 803,098
<TOTAL-LIABILITIES> 10,635,732
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,140,372,531
<SHARES-COMMON-STOCK> 81,287,166
<SHARES-COMMON-PRIOR> 70,017,080
<ACCUMULATED-NII-CURRENT> 96
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<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 457,220,851
<NET-ASSETS> 1,660,846,341
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<NUMBER-OF-SHARES-SOLD> 7,340,440
<NUMBER-OF-SHARES-REDEEMED> (637,393)
<SHARES-REINVESTED> 4,567,039
<NET-CHANGE-IN-ASSETS> 372,441,914
<ACCUMULATED-NII-PRIOR> 105
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<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3,800,732
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,906,862
<AVERAGE-NET-ASSETS> 1,429,360,054
<PER-SHARE-NAV-BEGIN> 18.40
<PER-SHARE-NII> 0.21
<PER-SHARE-GAIN-APPREC> 3.03
<PER-SHARE-DIVIDEND> (0.21)
<PER-SHARE-DISTRIBUTIONS> (1.00)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 20.43
<EXPENSE-RATIO> 0.55
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - Capital Growth Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE INVESTMENT SERIES - CAPITAL GROWTH
<SERIES>
<NUMBER> 6
<NAME> DEAN WITTER VARIABLE - CAPITAL GROWTH
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 84,105,636
<INVESTMENTS-AT-VALUE> 103,350,803
<RECEIVABLES> 1,100,852
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<TOTAL-ASSETS> 104,454,106
<PAYABLE-FOR-SECURITIES> 2,234,076
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<OTHER-ITEMS-LIABILITIES> 216,377
<TOTAL-LIABILITIES> 2,450,453
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<PAID-IN-CAPITAL-COMMON> 78,868,579
<SHARES-COMMON-STOCK> 6,011,400
<SHARES-COMMON-PRIOR> 5,215,456
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<ACCUMULATED-NET-GAINS> 3,787,465
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<ACCUM-APPREC-OR-DEPREC> 19,245,167
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<EXPENSES-NET> (330,881)
<NET-INVESTMENT-INCOME> 102,760
<REALIZED-GAINS-CURRENT> 4,110,799
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<DISTRIBUTIONS-OF-GAINS> (11,642,834)
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<NUMBER-OF-SHARES-SOLD> 397,780
<NUMBER-OF-SHARES-REDEEMED> (311,890)
<SHARES-REINVESTED> 710,054
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<GROSS-ADVISORY-FEES> 300,243
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (330,881)
<AVERAGE-NET-ASSETS> 93,148,041
<PER-SHARE-NAV-BEGIN> 16.65
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 2.57
<PER-SHARE-DIVIDEND> (0.80)
<PER-SHARE-DISTRIBUTIONS> (2.19)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.97
<EXPENSE-RATIO> 0.72
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - European Growth Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE - EUROPEAN GROWTH
<SERIES>
<NUMBER> 7
<NAME> DEAN WITTER VARIABLE - EUROPEAN GROWTH
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 284,358,074
<INVESTMENTS-AT-VALUE> 376,980,936
<RECEIVABLES> 3,829,158
<ASSETS-OTHER> 592,240
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<TOTAL-ASSETS> 381,402,334
<PAYABLE-FOR-SECURITIES> 6,423,646
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 370,976
<TOTAL-LIABILITIES> 6,794,622
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 265,350,852
<SHARES-COMMON-STOCK> 16,583,059
<SHARES-COMMON-PRIOR> 14,026,817
<ACCUMULATED-NII-CURRENT> 1,718,705
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<ACCUMULATED-NET-GAINS> 14,902,022
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 92,636,133
<NET-ASSETS> 374,607,712
<DIVIDEND-INCOME> 4,704,425
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<REALIZED-GAINS-CURRENT> 15,210,737
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<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3,760,260)
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<NUMBER-OF-SHARES-SOLD> 1,900,025
<NUMBER-OF-SHARES-REDEEMED> 327,701
<SHARES-REINVESTED> 983,918
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<GROSS-EXPENSE> 1,789,732
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<PER-SHARE-NII> 0.18
<PER-SHARE-GAIN-APPREC> 2.27
<PER-SHARE-DIVIDEND> (0.24)
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - Equity Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE - EQUITY PORTFOLIO
<SERIES>
<NUMBER> 8
<NAME> DEQAN WITTER VARIBLE - EQUITY
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 525,047,977
<INVESTMENTS-AT-VALUE> 634,144,686
<RECEIVABLES> 1,337,859
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<PAID-IN-CAPITAL-COMMON> 513,198,130
<SHARES-COMMON-STOCK> 22,471,940
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<ACCUMULATED-NII-CURRENT> 48
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 12,693,801
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<ACCUM-APPREC-OR-DEPREC> 109,096,709
<NET-ASSETS> 634,988,688
<DIVIDEND-INCOME> 2,167,343
<INTEREST-INCOME> 1,425,067
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<EXPENSES-NET> (1,486,961)
<NET-INVESTMENT-INCOME> 2,105,449
<REALIZED-GAINS-CURRENT> 14,218,473
<APPREC-INCREASE-CURRENT> 66,216,940
<NET-CHANGE-FROM-OPS> 82,540,862
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2,106,164)
<DISTRIBUTIONS-OF-GAINS> (43,430,212)
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<NUMBER-OF-SHARES-SOLD> 1,865,912
<NUMBER-OF-SHARES-REDEEMED> (786,582)
<SHARES-REINVESTED> 1,613,652
<NET-CHANGE-IN-ASSETS> 113,080,264
<ACCUMULATED-NII-PRIOR> 763
<ACCUMULATED-GAINS-PRIOR> 41,905,540
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<GROSS-ADVISORY-FEES> 1,422,843
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<GROSS-EXPENSE> (1,486,961)
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<PER-SHARE-NAV-BEGIN> 26.39
<PER-SHARE-NII> 0.10
<PER-SHARE-GAIN-APPREC> 3.95
<PER-SHARE-DIVIDEND> (0.10)
<PER-SHARE-DISTRIBUTIONS> (2.08)
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<PER-SHARE-NAV-END> 28.26
<EXPENSE-RATIO> 0.52
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - Strategist Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE - STRATEGIST PROTFOLIO
<SERIES>
<NUMBER> 9
<NAME> DEAN WITTER VARIABLE - STRATEGIST
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 403,493,626
<INVESTMENTS-AT-VALUE> 469,299,412
<RECEIVABLES> 1,894,773
<ASSETS-OTHER> 9,914
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 471,253,300
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 284,260
<TOTAL-LIABILITIES> 284,260
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 395,946,499
<SHARES-COMMON-STOCK> 32,650,359
<SHARES-COMMON-PRIOR> 30,890,244
<ACCUMULATED-NII-CURRENT> 19,025
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 9,197,730
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 65,805,786
<NET-ASSETS> 470,969,040
<DIVIDEND-INCOME> 1,702,260
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<EXPENSES-NET> 1,150,778
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<DISTRIBUTIONS-OF-GAINS> (10,026,594)
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<NUMBER-OF-SHARES-SOLD> 1,582,854
<NUMBER-OF-SHARES-REDEEMED> 1,082,773
<SHARES-REINVESTED> 1,260,034
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<ACCUMULATED-NII-PRIOR> 16,567
<ACCUMULATED-GAINS-PRIOR> 9,809,258
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<GROSS-EXPENSE> 1,150,778
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<PER-SHARE-NAV-BEGIN> 13.72
<PER-SHARE-NII> 0.25
<PER-SHARE-GAIN-APPREC> 1.02
<PER-SHARE-DIVIDEND> (0.25)
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<PER-SHARE-NAV-END> 14.42
<EXPENSE-RATIO> 0.52
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<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - Global Dividend Growth Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE INVESTMENT - GLOBAL DIVIDEND GROWTH
<SERIES>
<NUMBER> 10
<NAME> DEAN WITTER VARIABLE INVESTMENT - GLOBAL DIVIDEND GROWTH
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 370,073,570
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<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 4,441,032
<DISTRIBUTIONS-OF-GAINS> 17,705,615
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<NUMBER-OF-SHARES-SOLD> 4,371,924
<NUMBER-OF-SHARES-REDEEMED> (260,394)
<SHARES-REINVESTED> 1,564,658
<NET-CHANGE-IN-ASSETS> 108,137,730
<ACCUMULATED-NII-PRIOR> 348,453
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<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,386,245
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<GROSS-EXPENSE> 1,562,734
<AVERAGE-NET-ASSETS> 372,728,949
<PER-SHARE-NAV-BEGIN> 13.13
<PER-SHARE-NII> 0.14
<PER-SHARE-GAIN-APPREC> 1.69
<PER-SHARE-DIVIDEND> (0.15)
<PER-SHARE-DISTRIBUTIONS> (0.60)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.21
<EXPENSE-RATIO> 0.85
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Dean Witter Variable Investment Series - Pacific Growth Portfolio
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE INVESTMENT - PACIFIC GROWTH
<SERIES>
<NUMBER> 11
<NAME> DEAN WITTER VARIABLE - PACIFIC GROWTH
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 124,188,117
<INVESTMENTS-AT-VALUE> 136,731,896
<RECEIVABLES> 1,997,265
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<TOTAL-ASSETS> 139,890,964
<PAYABLE-FOR-SECURITIES> 1,341,740
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<OTHER-ITEMS-LIABILITIES> 398,091
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<PAID-IN-CAPITAL-COMMON> 136,336,312
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<ACCUMULATED-NET-GAINS> (11,470,242)
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<ACCUM-APPREC-OR-DEPREC> 12,472,175
<NET-ASSETS> 138,151,133
<DIVIDEND-INCOME> 1,882,769
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<EXPENSES-NET> 952,284
<NET-INVESTMENT-INCOME> 1,040,158
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<DISTRIBUTIONS-OF-INCOME> (1,891,258)
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<NUMBER-OF-SHARES-SOLD> 1,136,342
<NUMBER-OF-SHARES-REDEEMED> (2,037,810)
<SHARES-REINVESTED> 188,937
<NET-CHANGE-IN-ASSETS> (6,385,324)
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<PER-SHARE-DIVIDEND> (0.14)
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<PER-SHARE-NAV-END> 10.02
<EXPENSE-RATIO> 1.42
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
DEAN WITTER VARIABLE INVESTMENT SERIES - CAPITAL APPRECIATION PORTFOLIO
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE INVESTMENT - CAPITAL APPRECIATION
<SERIES>
<NUMBER> 12
<NAME> DEAN WITTER VARIABLE - CAPITAL APPRECIATION
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
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<TOTAL-LIABILITIES> 568,218
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<ACCUMULATED-NET-GAINS> (600,852)
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<NUMBER-OF-SHARES-SOLD> 1,493,791
<NUMBER-OF-SHARES-REDEEMED> (115,295)
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<PER-SHARE-NAV-END> 10.32
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
DEAN WITTER VARIABLE INVESTMENT SERIES - INCOME BUILDER PORTFOLIO
FDS 06\30\97
</LEGEND>
<CIK> 0000716716
<NAME> DEAN WITTER VARIABLE INVESTMENT - INCOME BUILDER
<SERIES>
<NUMBER> 13
<NAME> DEAN WITTER VARIABLE INVESTMENT - INCOME BUILDER
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
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<INVESTMENTS-AT-VALUE> 20,062,653
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<ACCUM-APPREC-OR-DEPREC> 774,275
<NET-ASSETS> 20,063,578
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<GROSS-EXPENSE> 57,431
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<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> 0.17
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<PER-SHARE-DIVIDEND> (0.17)
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<PER-SHARE-NAV-END> 10.62
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</TABLE>
