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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Petroleum coke, not calcined | $3,791,677 | $2,507,348 | $3,893,356 | $1,004,774 | $3,248 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $62,942 | $904 | $44,907 | | |
| Total | $3,854,619 | $2,508,252 | $3,938,263 | $1,004,774 | $3,248 |
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