<TABLE> <S> <C>
<ARTICLE> 6
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> SEP-30-2000<F1>
<PERIOD-START> OCT-01-1999
<PERIOD-END> MAR-31-2000
<INVESTMENTS-AT-COST> 1,729,893<F2>
<INVESTMENTS-AT-VALUE> 1,728,851<F3>
<RECEIVABLES> 0
<ASSETS-OTHER> 25,152
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,754,003
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 7,547
<TOTAL-LIABILITIES> 7,547
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 167,232<F4>
<SHARES-COMMON-STOCK> 18,960
<SHARES-COMMON-PRIOR> 18,960
<ACCUMULATED-NII-CURRENT> 32,806
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (24,660)
<NET-ASSETS> 1,746,456
<DIVIDEND-INCOME> 967
<INTEREST-INCOME> 40,868
<OTHER-INCOME> 0
<EXPENSES-NET> 10,050
<NET-INVESTMENT-INCOME> 31,785
<REALIZED-GAINS-CURRENT> 1,000
<APPREC-INCREASE-CURRENT> (21,462)
<NET-CHANGE-FROM-OPS> 11,344
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 11,344
<ACCUMULATED-NII-PRIOR> 497
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10,050
<AVERAGE-NET-ASSETS> 1,736,042
<PER-SHARE-NAV-BEGIN> 91.51
<PER-SHARE-NII> 1.68
<PER-SHARE-GAIN-APPREC> (1.08)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 92.11
<EXPENSE-RATIO> .024
<FN>
<F1>NOTES TO FINANCIAL STATEMENTS FOR THE SIX MONTHS ENDED MARCH 31, 2000 ARE
INCORPORATED HEREIN BY REFERENCE.
<F2>INVESTMENTS AT COST IS AMORTIZED COST.
<F3>INVESTMENTS AT VALUE INCLUDES ACCRUED INTEREST.
<F4>PAID IN CAPITAL COMMON INCLUDES CAPITAL STOCK AND PAID IN CAPITAL.
</FN>
</TABLE>
