|
| Commodity | 2006 | 2007 | 2008 | 2009 |
| Petroleum coke, calcined | $63,850,754 | | | |
| Petroleum bitumen | | $575,437 | $15,991,053 | $56,720 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $193,986 | $314,216 | $2,571,087 | $13,688,451 |
| Total | $64,044,740 | $889,653 | $18,562,140 | $13,745,171 |
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