<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FORM
10-Q FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 12,934
<SECURITIES> 0
<RECEIVABLES> 0
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 0
<PP&E> 5,027,546
<DEPRECIATION> 353,854
<TOTAL-ASSETS> 5,012,804
<CURRENT-LIABILITIES> 0
<BONDS> 2,330,685
0
290,501
<COMMON> 122,255
<OTHER-SE> 1,889,381
<TOTAL-LIABILITY-AND-EQUITY> 5,012,804
<SALES> 516,360
<TOTAL-REVENUES> 549,718
<CGS> 0
<TOTAL-COSTS> 169,270
<OTHER-EXPENSES> 21,112
<LOSS-PROVISION> 400
<INTEREST-EXPENSE> 109,010
<INCOME-PRETAX> 199,129
<INCOME-TAX> 0
<INCOME-CONTINUING> 199,129
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 199,129
<EPS-BASIC> 1.47
<EPS-DILUTED> 1.46
</TABLE>