<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 13
<NAME> GROWTH & INCOME FUND
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-END> MAY-31-2000
<INVESTMENTS-AT-COST> 282,929,467
<INVESTMENTS-AT-VALUE> 329,820,480
<RECEIVABLES> 557,610
<ASSETS-OTHER> 975
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 330,379,065
<PAYABLE-FOR-SECURITIES> 0
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<OTHER-ITEMS-LIABILITIES> 791,031
<TOTAL-LIABILITIES> 791,031
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 227,895,541
<SHARES-COMMON-STOCK> 15,664,913
<SHARES-COMMON-PRIOR> 13,790,192
<ACCUMULATED-NII-CURRENT> 76,769
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 54,898,586
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 46,717,138
<NET-ASSETS> 329,588,034
<DIVIDEND-INCOME> 4,388,786
<INTEREST-INCOME> 483,051
<OTHER-INCOME> 0
<EXPENSES-NET> 2,604,170
<NET-INVESTMENT-INCOME> 2,267,667
<REALIZED-GAINS-CURRENT> 55,466,529
<APPREC-INCREASE-CURRENT> (29,383,922)
<NET-CHANGE-FROM-OPS> 28,350,274
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2,142,107
<DISTRIBUTIONS-OF-GAINS> 33,787,657
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,227,700
<NUMBER-OF-SHARES-REDEEMED> 2,029,889
<SHARES-REINVESTED> 1,676,910
<NET-CHANGE-IN-ASSETS> 1,874,721
<ACCUMULATED-NII-PRIOR> (48,791)
<ACCUMULATED-GAINS-PRIOR> 33,219,714
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,428,870
<INTEREST-EXPENSE> 0
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<AVERAGE-NET-ASSETS> 323,819,883
<PER-SHARE-NAV-BEGIN> 21.53
<PER-SHARE-NII> 0.15
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<PER-SHARE-DIVIDEND> 0.14
<PER-SHARE-DISTRIBUTIONS> 2.46
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 21.04
<EXPENSE-RATIO> 0.80
</TABLE>
