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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum coke, not calcined | $4,833,419 | $9,986,492 | $24,713,223 | $33,647,240 | $8,084,779 | $21,235,418 | $30,949,093 |
| Petroleum coke, calcined | | | | | $8,237,725 | | $19,901,680 |
| Petroleum bitumen | $981,480 | $4,850 | $702,337 | $39,917 | $4,921,696 | $322,727 | $801,572 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $11,876 | $20,169 | $15,251 | $6,127 | $189,191 | $107,557 | $169,489 |
| Total | $5,826,775 | $10,011,511 | $25,430,811 | $33,693,284 | $21,433,391 | $21,665,702 | $51,821,834 |
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