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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum oils & oils obt. from bituminous mins., crude | $57,619,485 | $78,632,057 | $46,042,120 | $52,565,069 | $20,973,151 | $21,776,783 | $492,858 |
| Total | $57,619,485 | $78,632,057 | $46,042,120 | $52,565,069 | $20,973,151 | $21,776,783 | $492,858 |
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