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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum bitumen | $3,915,897 | $6,336,575 | $12,001,697 | $13,279,389 | $14,082,051 | $10,648,018 | $12,897,618 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $4,962 | $133 | $273 | | $1,321,301 | | $31,276 |
| Total | $3,920,859 | $6,336,708 | $12,001,970 | $13,279,389 | $15,403,352 | $10,648,018 | $12,928,894 |
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