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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum coke, not calcined | $14,147,178 | $8,790,477 | $8,374,100 | $9,429,595 | $11,810,814 | $8,564,589 | $17,769,965 |
| Petroleum coke, calcined | $689,337 | $637,682 | $1,398,318 | $1,187,293 | $2,870,063 | $5,350,884 | $5,873,317 |
| Petroleum bitumen | $16,383,385 | $22,478,812 | $30,716,078 | $27,615,254 | $32,946,958 | $80,932,119 | $57,123,010 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $85,440 | $6,057 | $5,523 | $5,742 | $2,758 | $176,513 | $4,581,563 |
| Total | $31,305,340 | $31,913,028 | $40,494,019 | $38,237,884 | $47,630,593 | $95,024,105 | $85,347,855 |
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