<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>
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> AUG-31-2000
<PERIOD-START> SEP-01-1999
<PERIOD-END> AUG-31-2000
<INVESTMENTS-AT-COST> 488016
<INVESTMENTS-AT-VALUE> 486678
<RECEIVABLES> 7061
<ASSETS-OTHER> 6558
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 500297
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1971
<TOTAL-LIABILITIES> 1971
<SENIOR-EQUITY> 175000
<PAID-IN-CAPITAL-COMMON> 332597
<SHARES-COMMON-STOCK> 23402
<SHARES-COMMON-PRIOR> 23354
<ACCUMULATED-NII-CURRENT> (198)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (7735)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (1338)
<NET-ASSETS> 498326
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 27162
<OTHER-INCOME> 0
<EXPENSES-NET> 2221
<NET-INVESTMENT-INCOME> 24941
<REALIZED-GAINS-CURRENT> (6629)
<APPREC-INCREASE-CURRENT> 18810
<NET-CHANGE-FROM-OPS> 37122
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 19710
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 48
<NET-CHANGE-IN-ASSETS> 11959
<ACCUMULATED-NII-PRIOR> 546
<ACCUMULATED-GAINS-PRIOR> (1106)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2989
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3680
<AVERAGE-NET-ASSETS> 470936
<PER-SHARE-NAV-BEGIN> 0
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 0
<EXPENSE-RATIO> 0
</TABLE>
