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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $303,806 | $92,529 | $16,837 | $56,431 | $66,740 | $291,748 | $79,285 |
| Pitch coke, obt. from coal tar/oth. min. tars | $342,265 | $504,921 | $534,903 | $1,017,969 | $470,217 | $635,863 | $450,736 |
| Total | $646,071 | $597,450 | $551,740 | $1,074,400 | $536,957 | $927,611 | $530,021 |
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