<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 
THE STATEMENT OF ASSETS AND LIABILITIES AT SEPTEMBER 30, 1997 AND THE STATEMENT
OF OPERATIONS FROM JANUARY 1, 1997 TO SEPTEMBER 30, 1997 AND IS QUALIFIED IN 
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JUL-01-1997             JAN-01-1997
<PERIOD-END>                               SEP-30-1997             SEP-30-1997
<INVESTMENTS-AT-COST>                        1,087,421               1,087,421
<INVESTMENTS-AT-VALUE>                       1,085,672               1,085,672
<RECEIVABLES>                                    1,032                   1,032
<ASSETS-OTHER>                                  15,200                  15,200
<OTHER-ITEMS-ASSETS>                           901,994                 901,994
<TOTAL-ASSETS>                               2,005,647               2,005,647
<PAYABLE-FOR-SECURITIES>                             0                       0
<SENIOR-LONG-TERM-DEBT>                              0                       0
<OTHER-ITEMS-LIABILITIES>                       11,101                  11,101
<TOTAL-LIABILITIES>                             11,101                  11,101
<SENIOR-EQUITY>                                      0                       0
<PAID-IN-CAPITAL-COMMON>                     2,048,640               2,048,640
<SHARES-COMMON-STOCK>                        2,319,333               2,319,333
<SHARES-COMMON-PRIOR>                          250,000                 250,000
<ACCUMULATED-NII-CURRENT>                       27,385                  27,385
<OVERDISTRIBUTION-NII>                               0                       0
<ACCUMULATED-NET-GAINS>                              0                       0
<OVERDISTRIBUTION-GAINS>                             0                       0
<ACCUM-APPREC-OR-DEPREC>                       (1,749)                 (1,749)
<NET-ASSETS>                                 1,994,546               1,994,546
<DIVIDEND-INCOME>                                    0                       0
<INTEREST-INCOME>                               47,712                  47,712
<OTHER-INCOME>                                       0                       0
<EXPENSES-NET>                                  23,139                  36,828
<NET-INVESTMENT-INCOME>                         22,015                   8,326
<REALIZED-GAINS-CURRENT>                             0                       0
<APPREC-INCREASE-CURRENT>                      (1,749)                 (1,749)
<NET-CHANGE-FROM-OPS>                           22,015                   8,326
<EQUALIZATION>                                       0                       0
<DISTRIBUTIONS-OF-INCOME>                            0                       0
<DISTRIBUTIONS-OF-GAINS>                             0                       0
<DISTRIBUTIONS-OTHER>                                0                       0
<NUMBER-OF-SHARES-SOLD>                      2,069,333               2,069,333
<NUMBER-OF-SHARES-REDEEMED>                          0                       0
<SHARES-REINVESTED>                                  0                       0
<NET-CHANGE-IN-ASSETS>                       2,085,429               2,033,319
<ACCUMULATED-NII-PRIOR>                              0                       0
<ACCUMULATED-GAINS-PRIOR>                            0                       0
<OVERDISTRIB-NII-PRIOR>                              0                       0
<OVERDIST-NET-GAINS-PRIOR>                           0                       0
<GROSS-ADVISORY-FEES>                                0                       0
<INTEREST-EXPENSE>                              20,327                  20,367
<GROSS-EXPENSE>                                 23,139                  36,828
<AVERAGE-NET-ASSETS>                           951,832                 977,887
<PER-SHARE-NAV-BEGIN>                            (.36)                   (.16)
<PER-SHARE-NII>                                    .01                     .01
<PER-SHARE-GAIN-APPREC>                              0                       0
<PER-SHARE-DIVIDEND>                                 0                       0
<PER-SHARE-DISTRIBUTIONS>                            0                       0
<RETURNS-OF-CAPITAL>                                 0                       0
<PER-SHARE-NAV-END>                                .86                     .86
<EXPENSE-RATIO>                                    .02                     .04
<AVG-DEBT-OUTSTANDING>                             500                     500
<AVG-DEBT-PER-SHARE>                                 0                       0
        

</TABLE>