<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S UNAUDITED FINANCIAL STATEMENTS FOR THE THREE MONTHS ENDED MARCH 31,
2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>   1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                         104,706
<SECURITIES>                                   171,966
<RECEIVABLES>                                   40,555
<ALLOWANCES>                                     8,311
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                       3,941,659
<DEPRECIATION>                                 325,127
<TOTAL-ASSETS>                               5,630,009
<CURRENT-LIABILITIES>                                0
<BONDS>                                      2,110,890
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   3,344,037
<TOTAL-LIABILITY-AND-EQUITY>                 5,630,009
<SALES>                                              0
<TOTAL-REVENUES>                               195,279
<CGS>                                                0
<TOTAL-COSTS>                                   76,305
<OTHER-EXPENSES>                                33,450
<LOSS-PROVISION>                                 1,237
<INTEREST-EXPENSE>                              39,347
<INCOME-PRETAX>                                 80,663
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             80,663
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                  1,125
<CHANGES>                                            0
<NET-INCOME>                                    50,523
<EPS-BASIC>                                        .55
<EPS-DILUTED>                                      .54