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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum coke, not calcined | $161,512 | $645,096 | | | | | $542,237 |
| Petroleum coke, calcined | $11,963,256 | $14,619,137 | $14,718,818 | $18,033,703 | $13,160,378 | $11,701,826 | $29,945,111 |
| Petroleum bitumen | $15,204,735 | $30,274,656 | $34,731,039 | $77,037,743 | $15,328,108 | $12,280,797 | $13,365,341 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $38,322 | $4,781 | $81,180 | $91,960 | $28,652 | $1,635 | $1,542 |
| Total | $27,367,825 | $45,543,670 | $49,531,037 | $95,163,406 | $28,517,138 | $23,984,258 | $43,854,231 |
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