<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> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-START> NOV-01-1999
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 1259688
<INVESTMENTS-AT-VALUE> 1243609
<RECEIVABLES> 36275
<ASSETS-OTHER> 21
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1279905
<PAYABLE-FOR-SECURITIES> 3436
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 10940
<TOTAL-LIABILITIES> 14376
<SENIOR-EQUITY> 444000
<PAID-IN-CAPITAL-COMMON> 837464
<SHARES-COMMON-STOCK> 59914
<SHARES-COMMON-PRIOR> 59914
<ACCUMULATED-NII-CURRENT> 215
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (71)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (16079)
<NET-ASSETS> 1265529
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 38175
<OTHER-INCOME> 0
<EXPENSES-NET> 4752
<NET-INVESTMENT-INCOME> 33423
<REALIZED-GAINS-CURRENT> 231
<APPREC-INCREASE-CURRENT> 2654
<NET-CHANGE-FROM-OPS> 36308
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 26200
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 45097
<ACCUMULATED-NII-PRIOR> 1427
<ACCUMULATED-GAINS-PRIOR> (302)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3847
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4797
<AVERAGE-NET-ASSETS> 1250447
<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>
