<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> JUN-30-2000
<PERIOD-START> JUL-01-1999
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 354137
<INVESTMENTS-AT-VALUE> 358834
<RECEIVABLES> 6129
<ASSETS-OTHER> 2152
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 367115
<PAYABLE-FOR-SECURITIES> 1992
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1598
<TOTAL-LIABILITIES> 3590
<SENIOR-EQUITY> 132000
<PAID-IN-CAPITAL-COMMON> 227693
<SHARES-COMMON-STOCK> 16090
<SHARES-COMMON-PRIOR> 16077
<ACCUMULATED-NII-CURRENT> (107)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (758)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4697
<NET-ASSETS> 363525
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 22943
<OTHER-INCOME> 0
<EXPENSES-NET> 2910
<NET-INVESTMENT-INCOME> 20033
<REALIZED-GAINS-CURRENT> (757)
<APPREC-INCREASE-CURRENT> (12453)
<NET-CHANGE-FROM-OPS> 6823
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 15782
<DISTRIBUTIONS-OF-GAINS> 1174
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 76
<NET-CHANGE-IN-ASSETS> (13943)
<ACCUMULATED-NII-PRIOR> 183
<ACCUMULATED-GAINS-PRIOR> (394)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2330
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2951
<AVERAGE-NET-ASSETS> 365312
<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>
