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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Petroleum coke, not calcined | $4,398,853 | $2,325,170 | $2,610,383 | $5,357,718 | $3,799,643 | $5,123,042 |
| Petroleum coke, calcined | $16,947,714 | $20,395,352 | $26,727,478 | $51,491,880 | $30,188,908 | $75,900,023 |
| Petroleum bitumen | $72,007,620 | $122,007,621 | $114,352,826 | $189,695,608 | $137,022,425 | $185,074,565 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $3,287,141 | $4,508,535 | $4,090,291 | $3,983,903 | $2,420,788 | $116,904 |
| Total | $96,641,328 | $149,236,678 | $147,780,978 | $250,529,109 | $173,431,764 | $266,214,534 |
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