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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $2,899,088 | $3,838,059 | $5,279,510 | $3,509,714 | $922 | | |
| Pitch coke, obt. from coal tar/oth. min. tars | $536 | $39,943 | $130,585 | $446,142 | $197,314 | $286,052 | $160,340 |
| Total | $2,899,624 | $3,878,002 | $5,410,095 | $3,955,856 | $198,236 | $286,052 | $160,340 |
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