|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Petroleum bitumen | $48,611 | $9,147 | $68,839 | $31,095 | | $2,389 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $94,389 | $120,604 | $94,693 | $536,568 | $2,344 | |
| Total | $143,000 | $129,751 | $163,532 | $567,663 | $2,344 | $2,389 |
|
|
