<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS, CONSOLIDATED STATEMENTS OF INCOME AND CONSOLIDATED
STATEMENTS OF CASH FLOWS INCLUDED IN THE COMPANY'S FORM 10-K FOR THE YEAR ENDED
DECEMBER 31, 1998, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS AND THE NOTES THERETO.  ALSO, THE EPS-PRIMARY REPRESENTS 
THE EPS-BASIC CALCULATED PURSUANT TO FAS 128.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                         281,162
<SECURITIES>                                 1,323,432
<RECEIVABLES>                                  167,159
<ALLOWANCES>                                    17,418
<INVENTORY>                                    148,626
<CURRENT-ASSETS>                             1,241,958
<PP&E>                                       1,145,464
<DEPRECIATION>                                 445,215
<TOTAL-ASSETS>                               2,855,402
<CURRENT-LIABILITIES>                          291,327
<BONDS>                                        149,990
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,542
<OTHER-SE>                                   2,341,303
<TOTAL-LIABILITY-AND-EQUITY>                 2,855,402
<SALES>                                        717,795
<TOTAL-REVENUES>                             1,150,943
<CGS>                                          138,623
<TOTAL-COSTS>                                  138,623
<OTHER-EXPENSES>                               396,186
<LOSS-PROVISION>                                18,347   
<INTEREST-EXPENSE>                               4,552 
<INCOME-PRETAX>                                252,651
<INCOME-TAX>                                    70,742
<INCOME-CONTINUING>                            181,909
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   181,909
<EPS-PRIMARY>                                     1.45
<EPS-DILUTED>                                     1.40