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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Petroleum coke, not calcined | $28,705 | $16,653 | $3,087 | $8,725 | | |
| Petroleum coke, calcined | $14,292,563 | $9,699,963 | $20,689,029 | $37,074,837 | $28,230,223 | $21,296,919 |
| Petroleum bitumen | $5,691,810 | $3,912,541 | $6,324,852 | $13,121,815 | $8,999,838 | $14,950,127 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | | $7,881 | $23,872 | $4,045 | $12,501 | $17,742 |
| Total | $20,013,078 | $13,637,038 | $27,040,840 | $50,209,422 | $37,242,562 | $36,264,788 |
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