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<PAGE> PAGE 11
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<PAGE> PAGE 19
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<PAGE> PAGE 22
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<PAGE> PAGE 23
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SIGNATURE O. WALTER RENFFTLEN
TITLE VP & COMPTROLLER
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</LEGEND>
<SERIES>
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<SERIES>
<NUMBER> 032
<NAME> ALL AMERICAN CLASS B
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<TABLE> <S> <C>
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</LEGEND>
<SERIES>
<NUMBER> 033
<NAME> ALL AMERICAN CLASS C
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<TABLE> <S> <C>
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</LEGEND>
<SERIES>
<NUMBER> 034
<NAME> ALL AMERICAN CLASS R
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<TABLE> <S> <C>
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<LEGEND>
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</LEGEND>
<SERIES>
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<TABLE> <S> <C>
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<SERIES>
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<TABLE> <S> <C>
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<LEGEND>
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<SERIES>
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<PER-SHARE-GAIN-APPREC> (.160)
<PER-SHARE-DIVIDEND> (.134)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.45
<EXPENSE-RATIO> 0.40
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 041
<NAME> LIMITED TERM CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-01-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 440735
<INVESTMENTS-AT-VALUE> 449536
<RECEIVABLES> 8591
<ASSETS-OTHER> 1088
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 459215
<PAYABLE-FOR-SECURITIES> 6825
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3398
<TOTAL-LIABILITIES> 10223
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 444374
<SHARES-COMMON-STOCK> 40137
<SHARES-COMMON-PRIOR> 42738
<ACCUMULATED-NII-CURRENT> 1015
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (5198)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8801
<NET-ASSETS> 448992
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 6456
<OTHER-INCOME> 0
<EXPENSES-NET> 868
<NET-INVESTMENT-INCOME> 5588
<REALIZED-GAINS-CURRENT> 73
<APPREC-INCREASE-CURRENT> (4462)
<NET-CHANGE-FROM-OPS> 1199
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 5164
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 885
<NUMBER-OF-SHARES-REDEEMED> (3733)
<SHARES-REINVESTED> 220
<NET-CHANGE-IN-ASSETS> (31018)
<ACCUMULATED-NII-PRIOR> 745
<ACCUMULATED-GAINS-PRIOR> (6852)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 493
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 868
<AVERAGE-NET-ASSETS> 441680
<PER-SHARE-NAV-BEGIN> 10.7
<PER-SHARE-NII> 0.129
<PER-SHARE-GAIN-APPREC> (0.094)
<PER-SHARE-DIVIDEND> (0.125)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.61
<EXPENSE-RATIO> 0.747
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 042
<NAME> LIMITED TERM CLASS C
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-01-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 440735
<INVESTMENTS-AT-VALUE> 449536
<RECEIVABLES> 8591
<ASSETS-OTHER> 1088
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 459215
<PAYABLE-FOR-SECURITIES> 6825
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3398
<TOTAL-LIABILITIES> 10223
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 444374
<SHARES-COMMON-STOCK> 2222
<SHARES-COMMON-PRIOR> 2106
<ACCUMULATED-NII-CURRENT> 1015
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (5198)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8801
<NET-ASSETS> 448992
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 6456
<OTHER-INCOME> 0
<EXPENSES-NET> 868
<NET-INVESTMENT-INCOME> 5588
<REALIZED-GAINS-CURRENT> 73
<APPREC-INCREASE-CURRENT> (4462)
<NET-CHANGE-FROM-OPS> 1199
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 259
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 380
<NUMBER-OF-SHARES-REDEEMED> (270)
<SHARES-REINVESTED> 6
<NET-CHANGE-IN-ASSETS> (31018)
<ACCUMULATED-NII-PRIOR> 745
<ACCUMULATED-GAINS-PRIOR> (6852)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 493
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 868
<AVERAGE-NET-ASSETS> 23531
<PER-SHARE-NAV-BEGIN> 10.7
<PER-SHARE-NII> 0.120
<PER-SHARE-GAIN-APPREC> (0.104)
<PER-SHARE-DIVIDEND> (0.116)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.60
<EXPENSE-RATIO> 1.098
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 043
<NAME> LIMITED TERM CLASS R
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-01-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 440735
<INVESTMENTS-AT-VALUE> 449536
<RECEIVABLES> 8591
<ASSETS-OTHER> 1088
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 459215
<PAYABLE-FOR-SECURITIES> 6825
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3398
<TOTAL-LIABILITIES> 10223
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 444374
<SHARES-COMMON-STOCK> 4
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 1015
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (5198)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8801
<NET-ASSETS> 448992
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 6456
<OTHER-INCOME> 0
<EXPENSES-NET> 868
<NET-INVESTMENT-INCOME> 5588
<REALIZED-GAINS-CURRENT> 73
<APPREC-INCREASE-CURRENT> (4462)
<NET-CHANGE-FROM-OPS> 1199
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (31018)
<ACCUMULATED-NII-PRIOR> 745
<ACCUMULATED-GAINS-PRIOR> (6852)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 493
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 868
<AVERAGE-NET-ASSETS> 30
<PER-SHARE-NAV-BEGIN> 10.73
<PER-SHARE-NII> 0.124
<PER-SHARE-GAIN-APPREC> (0.134)
<PER-SHARE-DIVIDEND> (0.13)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.59
<EXPENSE-RATIO> 0.55
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 021
<NAME> NATIONAL INSURED CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-1-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 762011
<INVESTMENTS-AT-VALUE> 799938
<RECEIVABLES> 14445
<ASSETS-OTHER> 189
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 814572
<PAYABLE-FOR-SECURITIES> 19041
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5515
<TOTAL-LIABILITIES> 24556
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 753733
<SHARES-COMMON-STOCK> 6497
<SHARES-COMMON-PRIOR> 6211
<ACCUMULATED-NII-CURRENT> 526
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2171)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 37928
<NET-ASSETS> 790016
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 11835
<OTHER-INCOME> 0
<EXPENSES-NET> 1282
<NET-INVESTMENT-INCOME> 10553
<REALIZED-GAINS-CURRENT> (985)
<APPREC-INCREASE-CURRENT> (6618)
<NET-CHANGE-FROM-OPS> 2950
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 878
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 470
<NUMBER-OF-SHARES-REDEEMED> (234)
<SHARES-REINVESTED> 51
<NET-CHANGE-IN-ASSETS> 11663
<ACCUMULATED-NII-PRIOR> 586
<ACCUMULATED-GAINS-PRIOR> (1180)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 927
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1282
<AVERAGE-NET-ASSETS> 68299
<PER-SHARE-NAV-BEGIN> 10.77
<PER-SHARE-NII> 0.137
<PER-SHARE-GAIN-APPREC> (0.109)
<PER-SHARE-DIVIDEND> (0.138)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.66
<EXPENSE-RATIO> 0.836
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 022
<NAME> NATIONAL INSURED CLASS B
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-1-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 762011
<INVESTMENTS-AT-VALUE> 799938
<RECEIVABLES> 14445
<ASSETS-OTHER> 189
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 814572
<PAYABLE-FOR-SECURITIES> 19041
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5515
<TOTAL-LIABILITIES> 24556
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 753733
<SHARES-COMMON-STOCK> 43
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 526
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2171)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 37928
<NET-ASSETS> 790016
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 11835
<OTHER-INCOME> 0
<EXPENSES-NET> 1282
<NET-INVESTMENT-INCOME> 10553
<REALIZED-GAINS-CURRENT> (985)
<APPREC-INCREASE-CURRENT> (6618)
<NET-CHANGE-FROM-OPS> 2950
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 4
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 46
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 11663
<ACCUMULATED-NII-PRIOR> 586
<ACCUMULATED-GAINS-PRIOR> (1180)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 927
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1282
<AVERAGE-NET-ASSETS> 332
<PER-SHARE-NAV-BEGIN> 10.80
<PER-SHARE-NII> 0.111
<PER-SHARE-GAIN-APPREC> (0.122)
<PER-SHARE-DIVIDEND> (0.119)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.67
<EXPENSE-RATIO> 1.589
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 023
<NAME> NATIONAL INSURED CLASS C
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-1-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 762011
<INVESTMENTS-AT-VALUE> 799938
<RECEIVABLES> 14445
<ASSETS-OTHER> 189
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 814572
<PAYABLE-FOR-SECURITIES> 19041
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5515
<TOTAL-LIABILITIES> 24556
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 753733
<SHARES-COMMON-STOCK> 532
<SHARES-COMMON-PRIOR> 508
<ACCUMULATED-NII-CURRENT> 526
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2171)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 37928
<NET-ASSETS> 790016
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 11835
<OTHER-INCOME> 0
<EXPENSES-NET> 1282
<NET-INVESTMENT-INCOME> 10553
<REALIZED-GAINS-CURRENT> (985)
<APPREC-INCREASE-CURRENT> (6618)
<NET-CHANGE-FROM-OPS> 2950
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 62
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 64
<NUMBER-OF-SHARES-REDEEMED> (45)
<SHARES-REINVESTED> 5
<NET-CHANGE-IN-ASSETS> 11663
<ACCUMULATED-NII-PRIOR> 586
<ACCUMULATED-GAINS-PRIOR> (1180)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 927
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1282
<AVERAGE-NET-ASSETS> 5470
<PER-SHARE-NAV-BEGIN> 10.66
<PER-SHARE-NII> 0.121
<PER-SHARE-GAIN-APPREC> (0.099)
<PER-SHARE-DIVIDEND> (0.122)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.56
<EXPENSE-RATIO> 1.387
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 024
<NAME> NATIONAL INSURED CLASS R
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-1-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 762011
<INVESTMENTS-AT-VALUE> 799938
<RECEIVABLES> 14445
<ASSETS-OTHER> 189
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 814572
<PAYABLE-FOR-SECURITIES> 19041
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5515
<TOTAL-LIABILITIES> 24556
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 753733
<SHARES-COMMON-STOCK> 67294
<SHARES-COMMON-PRIOR> 68136
<ACCUMULATED-NII-CURRENT> 526
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2171)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 37928
<NET-ASSETS> 790016
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 11835
<OTHER-INCOME> 0
<EXPENSES-NET> 1282
<NET-INVESTMENT-INCOME> 10553
<REALIZED-GAINS-CURRENT> (985)
<APPREC-INCREASE-CURRENT> (6618)
<NET-CHANGE-FROM-OPS> 2950
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 9673
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 664
<NUMBER-OF-SHARES-REDEEMED> (2116)
<SHARES-REINVESTED> 600
<NET-CHANGE-IN-ASSETS> 11663
<ACCUMULATED-NII-PRIOR> 586
<ACCUMULATED-GAINS-PRIOR> (1180)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 927
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1282
<AVERAGE-NET-ASSETS> 724603
<PER-SHARE-NAV-BEGIN> 10.72
<PER-SHARE-NII> 0.142
<PER-SHARE-GAIN-APPREC> (0.099)
<PER-SHARE-DIVIDEND> (0.143)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.62
<EXPENSE-RATIO> 0.636
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 011
<NAME> MUNICIPAL BOND CLASS A
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-01-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 2692148
<INVESTMENTS-AT-VALUE> 2818580
<RECEIVABLES> 65775
<ASSETS-OTHER> 640
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2884995
<PAYABLE-FOR-SECURITIES> 11310
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 22878
<TOTAL-LIABILITIES> 34188
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2719800
<SHARES-COMMON-STOCK> 7688
<SHARES-COMMON-PRIOR> 7235
<ACCUMULATED-NII-CURRENT> 1278
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3297
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 126433
<NET-ASSETS> 2850807
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 42245
<OTHER-INCOME> 0
<EXPENSES-NET> 4040
<NET-INVESTMENT-INCOME> 38205
<REALIZED-GAINS-CURRENT> 340
<APPREC-INCREASE-CURRENT> (15324)
<NET-CHANGE-FROM-OPS> 23221
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 909
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1843
<NUMBER-OF-SHARES-REDEEMED> (1451)
<SHARES-REINVESTED> 64
<NET-CHANGE-IN-ASSETS> (40692)
<ACCUMULATED-NII-PRIOR> 1229
<ACCUMULATED-GAINS-PRIOR> 3173
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3152
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4040
<AVERAGE-NET-ASSETS> 69836
<PER-SHARE-NAV-BEGIN> 9.19
<PER-SHARE-NII> 0.118
<PER-SHARE-GAIN-APPREC> (0.051)
<PER-SHARE-DIVIDEND> (0.117)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.14
<EXPENSE-RATIO> 0.772
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 012
<NAME> MUNICIPAL BOND CLASS B
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-01-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 2692148
<INVESTMENTS-AT-VALUE> 2818580
<RECEIVABLES> 65775
<ASSETS-OTHER> 640
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2884995
<PAYABLE-FOR-SECURITIES> 11310
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 22878
<TOTAL-LIABILITIES> 34188
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2719800
<SHARES-COMMON-STOCK> 51
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 1278
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3297
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 126433
<NET-ASSETS> 2850807
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 42245
<OTHER-INCOME> 0
<EXPENSES-NET> 4040
<NET-INVESTMENT-INCOME> 38205
<REALIZED-GAINS-CURRENT> 340
<APPREC-INCREASE-CURRENT> (15324)
<NET-CHANGE-FROM-OPS> 23221
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 51
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (40692)
<ACCUMULATED-NII-PRIOR> 1229
<ACCUMULATED-GAINS-PRIOR> 3173
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
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<GROSS-EXPENSE> 4040
<AVERAGE-NET-ASSETS> 180
<PER-SHARE-NAV-BEGIN> 9.23
<PER-SHARE-NII> 0.092
<PER-SHARE-GAIN-APPREC> (0.071)
<PER-SHARE-DIVIDEND> (0.101)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.15
<EXPENSE-RATIO> 1.525
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 013
<NAME> MUNICIPAL BOND CLASS C
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-01-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 2692148
<INVESTMENTS-AT-VALUE> 2818580
<RECEIVABLES> 65775
<ASSETS-OTHER> 640
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2884995
<PAYABLE-FOR-SECURITIES> 11310
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 22878
<TOTAL-LIABILITIES> 34188
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2719800
<SHARES-COMMON-STOCK> 587
<SHARES-COMMON-PRIOR> 506
<ACCUMULATED-NII-CURRENT> 1278
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3297
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 126433
<NET-ASSETS> 2850807
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 42245
<OTHER-INCOME> 0
<EXPENSES-NET> 4040
<NET-INVESTMENT-INCOME> 38205
<REALIZED-GAINS-CURRENT> 340
<APPREC-INCREASE-CURRENT> (15324)
<NET-CHANGE-FROM-OPS> 23221
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 58
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 96
<NUMBER-OF-SHARES-REDEEMED> (21)
<SHARES-REINVESTED> 5
<NET-CHANGE-IN-ASSETS> (40692)
<ACCUMULATED-NII-PRIOR> 1229
<ACCUMULATED-GAINS-PRIOR> 3173
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3152
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4040
<AVERAGE-NET-ASSETS> 5030
<PER-SHARE-NAV-BEGIN> 9.19
<PER-SHARE-NII> 0.105
<PER-SHARE-GAIN-APPREC> (0.050)
<PER-SHARE-DIVIDEND> (0.105)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.14
<EXPENSE-RATIO> 1.323
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 014
<NAME> MUNICIPAL BOND CLASS R
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-30-1997
<PERIOD-START> FEB-01-1997
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 2692148
<INVESTMENTS-AT-VALUE> 2818580
<RECEIVABLES> 65775
<ASSETS-OTHER> 640
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2884995
<PAYABLE-FOR-SECURITIES> 11310
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 22878
<TOTAL-LIABILITIES> 34188
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2719800
<SHARES-COMMON-STOCK> 303396
<SHARES-COMMON-PRIOR> 305510
<ACCUMULATED-NII-CURRENT> 1278
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3297
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 126433
<NET-ASSETS> 2850807
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 42245
<OTHER-INCOME> 0
<EXPENSES-NET> 4040
<NET-INVESTMENT-INCOME> 38205
<REALIZED-GAINS-CURRENT> 340
<APPREC-INCREASE-CURRENT> (15324)
<NET-CHANGE-FROM-OPS> 23221
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 37026
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3694
<NUMBER-OF-SHARES-REDEEMED> (9059)
<SHARES-REINVESTED> 3165
<NET-CHANGE-IN-ASSETS> (40692)
<ACCUMULATED-NII-PRIOR> 1229
<ACCUMULATED-GAINS-PRIOR> 3173
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3152
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4040
<AVERAGE-NET-ASSETS> 2793944
<PER-SHARE-NAV-BEGIN> 9.2
<PER-SHARE-NII> 0.122
<PER-SHARE-GAIN-APPREC> (0.050)
<PER-SHARE-DIVIDEND> (0.122)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.15
<EXPENSE-RATIO> 0.571
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
