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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Petroleum coke, not calcined | $9,669,684 | $11,288,688 | $12,310,928 | $23,277,844 | $7,935,014 | $20,578,675 |
| Petroleum coke, calcined | $90,357 | $103,049 | $66,475 | $176,107 | $49,371 | $229,194 |
| Petroleum bitumen | $6,861,911 | $5,808,198 | $7,552,886 | $12,925,488 | $12,387,332 | $25,399,576 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | | $703 | | | | |
| Total | $16,621,952 | $17,200,638 | $19,930,289 | $36,379,439 | $20,371,717 | $46,207,445 |
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