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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum bitumen | $32,556,000 | $49,719,700 | $80,538,600 | $65,379,100 | $29,906,100 | $18,103,300 | $48,374,200 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $4,292,500 | $7,783,600 | $62,546,300 | $18,142,800 | $3,977,300 | $7,246,500 | $11,480,000 |
| Total | $36,848,500 | $57,503,300 | $143,084,900 | $83,521,900 | $33,883,400 | $25,349,800 | $59,854,200 |
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