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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum oils & oils obt. from bituminous mins., crude | $21,477,129 | $18,626,058 | $8,240,710 | $13,871,115 | $9,440,585 | $9,894,563 | $14,529,367 |
| Total | $21,477,129 | $18,626,058 | $8,240,710 | $13,871,115 | $9,440,585 | $9,894,563 | $14,529,367 |
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