| Category | 1998 | 1999 | Percent Change
1998-1999 |
| Worldwide Corporate (16) | 17,111 | 19,361 | 13.1% |
| Petroleum (16) | 16,394 | 21,633 | 32.0% |
| Chemicals (7) | 2,824 | 2,515 | -10.9% |
| Coal (3) | 151 | 110 | -27.2% |
| Other lines of business (8) | 1,386 | 1,478 | 6.6% |
| Domestic Petroleum | |||
| Oil and gas production (12) | 4,204 | 8,138 | 93.6% |
| Refining and marketing (11) | 5,265 | 3,767 | -28.5% |
| Foreign Petroleum | |||
| Oil and gas production (10) | 3,323 | 7,033 | 111.6% |
| Refining and marketing (5) | 3,508 | 1,307 | -62.7% |
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