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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $52,873,210 | $41,736,723 | $70,145,042 | $98,246,387 | $48,675,542 | $54,151,335 | $63,655,394 |
| Pitch coke, obt. from coal tar/oth. min. tars | $9,892 | | | $3,181 | | | |
| Total | $52,883,102 | $41,736,723 | $70,145,042 | $98,249,568 | $48,675,542 | $54,151,335 | $63,655,394 |
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