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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum coke, not calcined | | | $8,093,622 | $6,835,466 | | $3,788,694 | $4,824,953 |
| Petroleum coke, calcined | | | $94 | | $15,575 | | |
| Petroleum bitumen | $2,486,110 | $576,064 | $2,187,499 | $2,411,832 | $2,355,289 | $5,693,205 | $13,651,402 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $6,575,220 | $7,861,369 | $40,711 | $5,950 | | | $3,766 |
| Total | $9,061,330 | $8,437,433 | $10,321,926 | $9,253,248 | $2,370,864 | $9,481,899 | $18,480,121 |
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