<TABLE> <S> <C>
<ARTICLE> 6
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 111825501
<INVESTMENTS-AT-VALUE> 116205642
<RECEIVABLES> 2021694
<ASSETS-OTHER> 98358
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 118325694
<PAYABLE-FOR-SECURITIES> 1781708
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 89188
<TOTAL-LIABILITIES> 1870896
<SENIOR-EQUITY> 37000000
<PAID-IN-CAPITAL-COMMON> 68777741
<SHARES-COMMON-STOCK> 7355820
<SHARES-COMMON-PRIOR> 7355820
<ACCUMULATED-NII-CURRENT> 6209531
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 87385
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4380141
<NET-ASSETS> 116454798
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 3495514
<OTHER-INCOME> 0
<EXPENSES-NET> 382600
<NET-INVESTMENT-INCOME> 3112914
<REALIZED-GAINS-CURRENT> 87385
<APPREC-INCREASE-CURRENT> (728665)
<NET-CHANGE-FROM-OPS> 2471634
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2642232<F1>
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (170598)
<ACCUMULATED-NII-PRIOR> 5738849
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 144558
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 382600
<AVERAGE-NET-ASSETS> 116282095
<PER-SHARE-NAV-BEGIN> 10.82
<PER-SHARE-NII> 0.42
<PER-SHARE-GAIN-APPREC> (0.08)
<PER-SHARE-DIVIDEND> 0.36<F2>
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.80
<EXPENSE-RATIO> 0.97
<FN>
<F1>Distributions from net investment income to common shareholders = $1,901,479;
distributions from net investment income to preferred shareholders = 740,753.
<F2>Per share dividends from net investment income to common shareholders = $0.26;
per share dividends from net investment income to preferred shareholders =
$0.10
</FN>
</TABLE>
