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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum coke, not calcined | $1,876,901 | $312,869 | $899,606 | $1,110,029 | $904,465 | $2,627,470 | $765,408 |
| Petroleum coke, calcined | $494,689 | $671,576 | $1,026,791 | $9,843,070 | $1,644,287 | $6,642,440 | $3,063,648 |
| Petroleum bitumen | $70,027,383 | $61,163,025 | $73,231,601 | $122,585,262 | $139,048,751 | $114,210,234 | $117,252,166 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $2,670,658 | $1,915,058 | $2,533,549 | $5,464,072 | $953,822 | $13,454,283 | $194,037 |
| Total | $75,069,631 | $64,062,528 | $77,691,547 | $139,002,433 | $142,551,325 | $136,934,427 | $121,275,259 |
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