<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS CONTAINED IN THE COMPANY'S ANNUAL REPORT ON FORM 10-K FOR
THE FISCAL YEAR ENDED MAY 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-START> JUN-01-1999
<PERIOD-END> MAY-31-2000
<CASH> 7,429,206
<SECURITIES> 332,792
<RECEIVABLES> 2,806,167
<ALLOWANCES> 272,203
<INVENTORY> 9,235
<CURRENT-ASSETS> 10,883,334
<PP&E> 2,125,030
<DEPRECIATION> 1,190,575
<TOTAL-ASSETS> 13,076,779
<CURRENT-LIABILITIES> 5,862,238
<BONDS> 0
0
0
<COMMON> 28,076
<OTHER-SE> 6,433,387
<TOTAL-LIABILITY-AND-EQUITY> 13,076,779
<SALES> 0
<TOTAL-REVENUES> 10,130,128
<CGS> 0
<TOTAL-COSTS> 2,942,679
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 135,125
<INTEREST-EXPENSE> 18,894
<INCOME-PRETAX> 10,123,434
<INCOME-TAX> 3,826,631
<INCOME-CONTINUING> 6,296,803
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 6,296,803
<EPS-BASIC> 2.22
<EPS-DILUTED> 2.10
</TABLE>