<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                      46,561,000
<SECURITIES>                                         0
<RECEIVABLES>                                4,923,400
<ALLOWANCES>                                   287,600
<INVENTORY>                                    297,900
<CURRENT-ASSETS>                            53,858,800
<PP&E>                                      67,792,200
<DEPRECIATION>                              24,222,900
<TOTAL-ASSETS>                              98,411,600
<CURRENT-LIABILITIES>                       37,375,600
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       152,500
<OTHER-SE>                                  55,613,600
<TOTAL-LIABILITY-AND-EQUITY>                98,411,600
<SALES>                                     33,390,200
<TOTAL-REVENUES>                            73,878,000
<CGS>                                       30,867,600
<TOTAL-COSTS>                               64,195,800
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                 4,200
<INTEREST-EXPENSE>                             315,900
<INCOME-PRETAX>                              9,682,200
<INCOME-TAX>                                 2,095,400
<INCOME-CONTINUING>                          7,586,800
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 7,586,800
<EPS-PRIMARY>                                      .67
<EPS-DILUTED>                                      .61