
<TABLE> <S> <C>


<ARTICLE> 5

<MULTIPLIER> 1

       
<S>                                    <C>
<PERIOD-TYPE>                          6-MOS
<FISCAL-YEAR-END>                                       DEC-31-1998
<PERIOD-END>                                            JUN-30-1998
<CASH>                                                   33,921,947
<SECURITIES>                                             23,016,586
<RECEIVABLES>                                            27,592,628
<ALLOWANCES>                                              2,786,130
<INVENTORY>                                                       0
<CURRENT-ASSETS>                                                  0
<PP&E>                                                2,536,274,796
<DEPRECIATION>                                          225,151,864
<TOTAL-ASSETS>                                        2,528,786,937
<CURRENT-LIABILITIES>                                             0
<BONDS>                                                 930,486,686
<PREFERRED-MANDATORY>                                             0
<PREFERRED>                                               1,394,159
<COMMON>                                                    554,461
<OTHER-SE>                                            1,483,844,875
<TOTAL-LIABILITY-AND-EQUITY>                          2,528,786,937
<SALES>                                                 132,452,630
<TOTAL-REVENUES>                                        132,452,630
<CGS>                                                    37,788,275
<TOTAL-COSTS>                                            37,788,275
<OTHER-EXPENSES>                                                  0
<LOSS-PROVISION>                                                  0
<INTEREST-EXPENSE>                                       23,411,176
<INCOME-PRETAX>                                          53,013,680
<INCOME-TAX>                                                      0
<INCOME-CONTINUING>                                      53,013,680
<DISCONTINUED>                                                    0
<EXTRAORDINARY>                                                   0
<CHANGES>                                                         0
<NET-INCOME>                                             53,013,680
<EPS-PRIMARY>                                                  1.03
<EPS-DILUTED>                                                  1.01
<FN>          
Financial Data Schedule information has been extracted from the
Registrant's Condensed Consolidated Balance Sheet
(non-classified) as of June 30, 1998 and the Condensed
Consolidated Statement of Income for the six months then ended.
</FN>
        


</TABLE>
