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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Petroleum coke, not calcined | $31,610,299 | $3,144,623 | $17,345,644 | $17,416,242 | $8,783,303 | $22,931,970 |
| Petroleum coke, calcined | $146,676,911 | $80,093,032 | $83,141,029 | $38,672,633 | $26,822,910 | $22,795,360 |
| Petroleum bitumen | $32,239,595 | $33,475,221 | $59,649,248 | $169,709,258 | $151,700,689 | $150,937,193 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $61,915,990 | $42,592,492 | $68,436,701 | $66,334,676 | $44,911,352 | $90,320,661 |
| Total | $272,442,795 | $159,305,368 | $228,572,622 | $292,132,809 | $232,218,254 | $286,985,184 |
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