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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Pitch, obt. from coal tar/oth. min. tars | $6,276,560 | $926,308 | $1,771,127 | $2,198,778 | $1,817,463 | $3,332,207 |
| Pitch coke, obt. from coal tar/oth. min. tars | $2,872,783 | $1,968,590 | $3,795,504 | $444,677 | $712,121 | $1,997,914 |
| Total | $9,149,343 | $2,894,898 | $5,566,631 | $2,643,455 | $2,529,584 | $5,330,121 |
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