<ARTICLE> 5
<LEGEND>
These numbers pertain to 1996
</LEGEND>
<RESTATED>
       
                                                                                            
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996            DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-END>                               MAR-31-1996            JUN-30-1996             SEP-30-1996             DEC-31-1996
<CASH>                                      17,896,195             21,482,227              21,131,935              19,774,374
<SECURITIES>                                10,152,416              5,352,730               6,094,597               5,088,020
<RECEIVABLES>                               44,283,956             45,143,345              46,113,677              50,021,289
<ALLOWANCES>                                 2,004,000              2,294,000               2,250,000               2,445,000
<INVENTORY>                                          0                      0                       0                       0
<CURRENT-ASSETS>                            72,782,470             72,680,974              76,699,366              76,255,502
<PP&E>                                      35,435,602             35,987,034              36,891,631              37,240,860
<DEPRECIATION>                              20,659,091             21,017,096              21,831,488              21,148,785
<TOTAL-ASSETS>                             160,749,905            162,282,586             166,144,313             181,475,347
<CURRENT-LIABILITIES>                       82,830,870             82,315,816              85,654,753              89,111,728
<BONDS>                                     11,625,191             15,801,391              17,619,960              27,195,571
<COMMON>                                    28,396,837             25,350,220              23,981,692              25,266,279
<PREFERRED-MANDATORY>                                0                      0                       0                       0
<PREFERRED>                                          0                      0                       0                       0
<OTHER-SE>                                  29,860,177             30,525,967              30,778,890              30,031,992
<TOTAL-LIABILITY-AND-EQUITY>               160,749,905            162,282,586             166,144,313             181,475,347
<SALES>                                              0                      0                       0                       0
<TOTAL-REVENUES>                            43,075,569             81,011,826             119,327,252             158,243,100
<CGS>                                                0                      0                       0                       0
<TOTAL-COSTS>                                        0                      0                       0                       0
<OTHER-EXPENSES>                            34,104,609             67,385,349             101,744,404             137,953,549
<LOSS-PROVISION>                                     0                      0                       0                       0
<INTEREST-EXPENSE>                             231,895                461,460                 762,364               1,244,729
<INCOME-PRETAX>                              8,739,065             13,165,017              16,820,484              19,044,822
<INCOME-TAX>                                 3,576,750              5,328,496               6,743,495               7,638,431
<INCOME-CONTINUING>                          5,162,315              7,836,521              10,076,989              11,406,391
<DISCONTINUED>                                       0                      0                       0                       0
<EXTRAORDINARY>                                      0                      0                       0                       0
<CHANGES>                                            0                      0                       0                       0
<NET-INCOME>                                 5,162,315              7,836,521              10,076,989              11,406,391
<EPS-PRIMARY>                                     0.38                   0.58                    0.75                    0.84
<EPS-DILUTED>                                     0.38                   0.58                    0.75                    0.84