<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>                   12-MOS
<FISCAL-YEAR-END>                          OCT-31-2000
<PERIOD-START>                             NOV-01-2000
<PERIOD-END>                               OCT-31-2000
<INVESTMENTS-AT-COST>                          1782269
<INVESTMENTS-AT-VALUE>                         1855335
<RECEIVABLES>                                    38105
<ASSETS-OTHER>                                    2025
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 1895465
<PAYABLE-FOR-SECURITIES>                         21128
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         7636
<TOTAL-LIABILITIES>                              28764
<SENIOR-EQUITY>                                 680000
<PAID-IN-CAPITAL-COMMON>                       1128433
<SHARES-COMMON-STOCK>                            81061
<SHARES-COMMON-PRIOR>                            81061
<ACCUMULATED-NII-CURRENT>                          710
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        (15507)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         73065
<NET-ASSETS>                                   1866701
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                               112097
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   13892
<NET-INVESTMENT-INCOME>                          98205
<REALIZED-GAINS-CURRENT>                       (14066)
<APPREC-INCREASE-CURRENT>                        45711
<NET-CHANGE-FROM-OPS>                           129850
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        71509
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              0
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                           31186
<ACCUMULATED-NII-PRIOR>                           1156
<ACCUMULATED-GAINS-PRIOR>                       (1440)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            11264
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  13953
<AVERAGE-NET-ASSETS>                           1838655
<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>