|
| Commodity | 2005 | 2006 | 2007 |
| Petroleum coke, calcined | $38,638 | | $1,097 |
| Petroleum bitumen | $5,324,805 | $2,686,349 | $7,622,938 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $13,978 | | $61,813 |
| Total | $5,377,421 | $2,686,349 | $7,685,848 |
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