|
| Commodity | 2005 | 2007 | 2008 |
| Petroleum coke, not calcined | | | $84,000 |
| Petroleum coke, calcined | $12,571 | $24,027 | $89,128 |
| Petroleum bitumen | $1,838,635 | $2,631,156 | $5,602,466 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $13,337 | $1,072,490 | $283,466 |
| Total | $1,864,543 | $3,727,673 | $6,059,060 |
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