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| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Petroleum coke, not calcined | | $1,708,839 | $5,473,161 | $2,956,855 | $3,791,711 | $3,452,878 |
| Residues of petroleum oils/oils obt. from bituminous mins., other than petr ... | $544 | | | $14,560 | | |
| Total | $544 | $1,708,839 | $5,473,161 | $2,971,415 | $3,791,711 | $3,452,878 |
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