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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch coke, obt. from coal tar/oth. min. tars | $2,239,226 | $4,186,643 | $3,072,718 | $3,066,384 | $5,735,527 | $5,886,820 | $7,640,767 |
| Total | $2,239,226 | $4,186,643 | $3,072,718 | $3,066,384 | $5,735,527 | $5,886,820 | $7,640,767 |
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