<TABLE> <S> <C>
<ARTICLE> 6
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 474844
<INVESTMENTS-AT-VALUE> 471037
<RECEIVABLES> 4172
<ASSETS-OTHER> 22008
<OTHER-ITEMS-ASSETS> 26
<TOTAL-ASSETS> 497242
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 144760
<TOTAL-LIABILITIES> 144760
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 355879
<SHARES-COMMON-STOCK> 35660
<SHARES-COMMON-PRIOR> 35660
<ACCUMULATED-NII-CURRENT> 419
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 8
<ACCUM-APPREC-OR-DEPREC> (3807)
<NET-ASSETS> 352483
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 22207
<OTHER-INCOME> 712
<EXPENSES-NET> 7744
<NET-INVESTMENT-INCOME> 15175
<REALIZED-GAINS-CURRENT> 116
<APPREC-INCREASE-CURRENT> (4684)
<NET-CHANGE-FROM-OPS> 10607
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 17407
<DISTRIBUTIONS-OF-GAINS> 415
<DISTRIBUTIONS-OTHER> 8
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (7223)
<ACCUMULATED-NII-PRIOR> 2651
<ACCUMULATED-GAINS-PRIOR> 299
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2190
<INTEREST-EXPENSE> 4367
<GROSS-EXPENSE> 7744
<AVERAGE-NET-ASSETS> 356912
<PER-SHARE-NAV-BEGIN> 10.09
<PER-SHARE-NII> 0.426
<PER-SHARE-GAIN-APPREC> (0.136)
<PER-SHARE-DIVIDEND> 0.488
<PER-SHARE-DISTRIBUTIONS> 0.012
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.88
<EXPENSE-RATIO> 3.31
</TABLE>
