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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $7,975,107 | $13,147,096 | $10,001,550 | $11,586,650 | $13,789,904 | $14,398,366 | $13,552,465 |
| Pitch coke, obt. from coal tar/oth. min. tars | $2,774,972 | $2,786,716 | $1,731,490 | $4,128,791 | $4,086,276 | | $720 |
| Total | $10,750,079 | $15,933,812 | $11,733,040 | $15,715,441 | $17,876,180 | $14,398,366 | $13,553,185 |
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