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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Petroleum coke, not calcined | $55,131,830 | $61,888,532 | $117,583,711 | $155,689,283 | $93,170,195 | $148,411,207 |
| Petroleum coke, calcined | $5,740,276 | $11,063,487 | $7,508,734 | $15,985,144 | $2,072,305 | $2,532,869 |
| Petroleum bitumen | $1,979,539 | $6,714,710 | $11,395,619 | $11,990,892 | $45,267,725 | $79,201,206 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $21,572 | $65,634 | $14,482 | $23,708 | $11,033 | $4,343 |
| Total | $62,873,217 | $79,732,363 | $136,502,546 | $183,689,027 | $140,521,258 | $230,149,625 |
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