<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extraced 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> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-START> NOV-01-1999
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 853824
<INVESTMENTS-AT-VALUE> 855429
<RECEIVABLES> 25728
<ASSETS-OTHER> 1945
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 883102
<PAYABLE-FOR-SECURITIES> 33786
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3950
<TOTAL-LIABILITIES> 37736
<SENIOR-EQUITY> 318000
<PAID-IN-CAPITAL-COMMON> 527603
<SHARES-COMMON-STOCK> 37843
<SHARES-COMMON-PRIOR> 37843
<ACCUMULATED-NII-CURRENT> 956
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2798)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1605
<NET-ASSETS> 845366
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 25927
<OTHER-INCOME> 0
<EXPENSES-NET> 3220
<NET-INVESTMENT-INCOME> 22707
<REALIZED-GAINS-CURRENT> (923)
<APPREC-INCREASE-CURRENT> 1384
<NET-CHANGE-FROM-OPS> 23168
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 17370
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (423)
<ACCUMULATED-NII-PRIOR> 1840
<ACCUMULATED-GAINS-PRIOR> (1875)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2624
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3265
<AVERAGE-NET-ASSETS> 843922
<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>
