<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 21,314,400 <SECURITIES> 25,840,200 <RECEIVABLES> 8,785,200 <ALLOWANCES> (384,200) <INVENTORY> 0 <CURRENT-ASSETS> 57,695,500 <PP&E> 30,316,300 <DEPRECIATION> (12,069,200) <TOTAL-ASSETS> 90,513,100 <CURRENT-LIABILITIES> 4,301,600 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,847,300 <OTHER-SE> 68,971,200 <TOTAL-LIABILITY-AND-EQUITY> 90,513,100 <SALES> 46,913,000 <TOTAL-REVENUES> 53,549,400 <CGS> 23,543,500 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 22,625,200 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,332,000 <INCOME-PRETAX> 9,712,700 <INCOME-TAX> 3,010,900 <INCOME-CONTINUING> 6,701,800 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,701,800 <EPS-PRIMARY> 0.36 <EPS-DILUTED> 0.35