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| Commodity | 2005 | 2006 | 2010 |
| Petroleum coke, not calcined | $232,756 | $90,749 | $1,557,717 |
| Petroleum coke, calcined | $22,576,481 | $13,599,972 | $16,280,314 |
| Petroleum bitumen | $2,413,063 | $529,366 | $4,177 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $571,418 | $209,489 | $858,709 |
| Total | $25,793,718 | $14,429,576 | $18,700,917 |
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