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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum coke, not calcined | $19,316,749 | $16,553,517 | $26,333,630 | $43,053,328 | $28,551,118 | $30,296,192 | $32,414,721 |
| Petroleum coke, calcined | $5,545,527 | $7,191,773 | $7,472,634 | $362,424 | $367,286 | $446,752 | $193,773 |
| Petroleum bitumen | $26,597 | $74,023 | $9,708,479 | $59,141,493 | $35,979 | $40,572 | $1,678 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $40,696 | $38,812 | $48,422 | $39,425 | $59,373 | $39,832 | $8,442 |
| Total | $24,929,569 | $23,858,125 | $43,563,165 | $102,596,670 | $29,013,756 | $30,823,348 | $32,618,614 |
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