<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE SHEET AND THE INCOME STATEMENT AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. THE EPS PRIMARY NUMBER BELOW REFLECTS THE BASIC EARNINGS PER SHARE AS REQUIRED BY FINANCIAL ACCOUNTING STANDARDS NUMBER 128. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS 6-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1998 <PERIOD-END> JUN-30-1997 JUN-30-1998 <CASH> 420,198 636,993 <SECURITIES> 52,383 55,575 <RECEIVABLES> 2,998,150 3,336,230 <ALLOWANCES> 23,609 44,127 <INVENTORY> 0 0 <CURRENT-ASSETS> 3,833,157 4,450,879 <PP&E> 554,164 632,314 <DEPRECIATION> 312,917 356,591 <TOTAL-ASSETS> 5,411,802 6,346,004 <CURRENT-LIABILITIES> 3,780,581 4,243,391 <BONDS> 116,626 202,558 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 13,820 14,483 <OTHER-SE> 916,322 1,199,176 <TOTAL-LIABILITY-AND-EQUITY> 5,411,802 6,346,004 <SALES> 0 0 <TOTAL-REVENUES> 1,504,655 1,747,663 <CGS> 0 0 <TOTAL-COSTS> 1,286,169 1,475,697 <OTHER-EXPENSES> 0 0 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 22,004 23,609 <INCOME-PRETAX> 218,486 271,966 <INCOME-TAX> 88,018 112,639 <INCOME-CONTINUING> 122,651 152,193 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 122,651 152,193 <EPS-PRIMARY> .97 1.15 <EPS-DILUTED> .93 1.11