<ARTICLE> 5

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                     572,185,451
<SECURITIES>                                         0
<RECEIVABLES>                              393,763,651
<ALLOWANCES>                                21,093,233
<INVENTORY>                                464,983,651
<CURRENT-ASSETS>                         1,538,508,511
<PP&E>                                   2,191,339,477
<DEPRECIATION>                           1,488,583,029
<TOTAL-ASSETS>                           3,729,847,988
<CURRENT-LIABILITIES>                      531,030,898
<BONDS>                                    390,450,000
<PREFERRED-MANDATORY>                       36,041,007
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                               2,226,206,899
<TOTAL-LIABILITY-AND-EQUITY>             3,729,847,988
<SALES>                                  4,009,346,082
<TOTAL-REVENUES>                         4,009,346,082
<CGS>                                    3,480,478,687
<TOTAL-COSTS>                            3,480,478,687
<OTHER-EXPENSES>                           154,773,600
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                         (5,095,299)
<INCOME-PRETAX>                            379,189,094
<INCOME-TAX>                               134,600,000
<INCOME-CONTINUING>                        244,589,094
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               244,589,094
<EPS-BASIC>                                       2.80
<EPS-DILUTED>                                     2.80