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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $2,661,864 | $4,903,681 | $6,586,927 | $12,658,186 | $6,877,184 | $5,650,988 | $10,327,624 |
| Pitch coke, obt. from coal tar/oth. min. tars | | | | | | $49,416 | |
| Total | $2,661,864 | $4,903,681 | $6,586,927 | $12,658,186 | $6,877,184 | $5,700,404 | $10,327,624 |
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