WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

  

<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-START>                             JAN-01-1994
<PERIOD-END>                               DEC-31-1994
<EXCHANGE RATE>                                      1
<CASH>                                      43,240,637
<SECURITIES>                                         0
<RECEIVABLES>                               78,426,773
<ALLOWANCES>                               (8,905,572)
<INVENTORY>                                 18,167,426
<CURRENT-ASSETS>                           135,403,429
<PP&E>                                     162,293,117
<DEPRECIATION>                            (110,935,947)
<TOTAL-ASSETS>                             232,730,680
<CURRENT-LIABILITIES>                       44,672,029
<BONDS>                                              0
<COMMON>                                        43,291
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                 185,379,132
<TOTAL-LIABILITY-AND-EQUITY>               232,730,680
<SALES>                                     40,813,092
<TOTAL-REVENUES>                           269,645,837
<CGS>                                       19,387,769
<TOTAL-COSTS>                              230,435,809
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                             5,335,000
<INTEREST-EXPENSE>                           4,527,760
<INCOME-PRETAX>                            119,550,103
<INCOME-TAX>                                55,949,220
<INCOME-CONTINUING>                         63,600,883
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                      741,917
<NET-INCOME>                                64,382,485
<EPS-PRIMARY>                                    $1.46
<EPS-DILUTED>                                    $1.44