<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted form 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> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-START> NOV-01-1999
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 436546
<INVESTMENTS-AT-VALUE> 441292
<RECEIVABLES> 7443
<ASSETS-OTHER> 1251
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 449986
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2156
<TOTAL-LIABILITIES> 2156
<SENIOR-EQUITY> 165000
<PAID-IN-CAPITAL-COMMON> 278696
<SHARES-COMMON-STOCK> 20052
<SHARES-COMMON-PRIOR> 20052
<ACCUMULATED-NII-CURRENT> 281
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (893)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4746
<NET-ASSETS> 447830
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 14369
<OTHER-INCOME> 0
<EXPENSES-NET> 1768
<NET-INVESTMENT-INCOME> 12601
<REALIZED-GAINS-CURRENT> (792)
<APPREC-INCREASE-CURRENT> (1522)
<NET-CHANGE-FROM-OPS> 10287
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 9685
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (2679)
<ACCUMULATED-NII-PRIOR> 645
<ACCUMULATED-GAINS-PRIOR> (104)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1416
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1786
<AVERAGE-NET-ASSETS> 448033
<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>