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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Petroleum bitumen | $1,742,057 | $5,207,546 | $7,726,241 | $5,042,531 | $8,596,195 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | | | | $4,166 | $15,984 |
| Total | $1,742,057 | $5,207,546 | $7,726,241 | $5,046,697 | $8,612,179 |
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