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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $18,911 | $53,742 | $24,744 | $110,436 | $106,643 | $158,753 | $259,936 |
| Pitch coke, obt. from coal tar/oth. min. tars | $105,589 | $333,721 | $387,841 | $124,240 | $174,493 | $113,174 | $98,921 |
| Total | $124,500 | $387,463 | $412,585 | $234,676 | $281,136 | $271,927 | $358,857 |
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