<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S FORM 10-Q FOR THE PERIOD ENDED SEPTEMBER 30, 2000, AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS INCLUDED IN SUCH
REPORT.
</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> 255
<SECURITIES> 0
<RECEIVABLES> 14,698
<ALLOWANCES> 1,143
<INVENTORY> 0
<CURRENT-ASSETS> 13,810
<PP&E> 1,794,870
<DEPRECIATION> 81,901
<TOTAL-ASSETS> 1,751,809
<CURRENT-LIABILITIES> 41,494
<BONDS> 629,354
0
238,205
<COMMON> 0
<OTHER-SE> 814,796
<TOTAL-LIABILITY-AND-EQUITY> 1,751,809
<SALES> 0
<TOTAL-REVENUES> 156,463
<CGS> 0
<TOTAL-COSTS> 32,228
<OTHER-EXPENSES> 38,170
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 31,383
<INCOME-PRETAX> 41,926
<INCOME-TAX> 0
<INCOME-CONTINUING> 41,926
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 41,926
<EPS-BASIC> .96
<EPS-DILUTED> .96
</TABLE>