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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Petroleum coke, not calcined | | | $74,089 | $4,004,238 | $531,898 |
| Petroleum coke, calcined | $205,159 | $1,627,459 | $89,162 | $94,267 | $156,181 |
| Petroleum bitumen | $36,413,193 | $56,493,346 | $89,162,796 | $147,709,263 | $97,582,464 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $7,231,629 | $10,997,904 | $12,095,108 | $21,526,694 | $12,819,206 |
| Total | $43,849,981 | $69,118,709 | $101,421,155 | $173,334,462 | $111,089,749 |
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