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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $34,528,477 | $59,285,028 | $78,276,086 | $80,043,230 | $61,733,813 | $72,996,751 | $93,015,563 |
| Pitch coke, obt. from coal tar/oth. min. tars | $26,002,113 | $28,951,931 | $30,912,400 | $31,652,570 | $24,165,898 | $23,398,612 | $20,165,460 |
| Total | $60,530,590 | $88,236,959 | $109,188,486 | $111,695,800 | $85,899,711 | $96,395,363 | $113,181,023 |
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