<ARTICLE> 5
       
                                                  
<PERIOD-TYPE>                   9-MOS                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1995
<PERIOD-END>                               SEP-30-1996             DEC-31-1995
<CASH>                                         491,992                  16,802
<SECURITIES>                                   103,308                 189,865
<RECEIVABLES>                                   44,767                  44,390
<ALLOWANCES>                                         0                       0
<INVENTORY>                                     17,133                  20,592
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<PP&E>                                       1,145,941                 804,974
<DEPRECIATION>                                 320,125                       0
<TOTAL-ASSETS>                               1,817,606               1,530,994
<CURRENT-LIABILITIES>                           90,379                  44,469
<BONDS>                                              0                       0
<COMMON>                                         8,714                   8,714
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<OTHER-SE>                                   1,176,450                       0
<TOTAL-LIABILITY-AND-EQUITY>                 1,817,606               1,530,994
<SALES>                                        198,501                       0
<TOTAL-REVENUES>                               335,707                       0
<CGS>                                           81,465                       0
<TOTAL-COSTS>                                  209,663                       0
<OTHER-EXPENSES>                                     0                       0
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<INTEREST-EXPENSE>                                 426                       0
<INCOME-PRETAX>                                158,050                       0
<INCOME-TAX>                                    71,211                       0
<INCOME-CONTINUING>                             76,917                       0
<DISCONTINUED>                                   1,274                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   168,034                       0
<EPS-PRIMARY>                                     5.51                       0
<EPS-DILUTED>                                     5.51                       0