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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $2,058,700 | $3,485,431 | $3,892,492 | $2,633,558 | $5,542,077 | $2,702,985 | $12,164,408 |
| Pitch coke, obt. from coal tar/oth. min. tars | $356,220 | $1,977,902 | $1,627,334 | $3,842,851 | | $893,314 | |
| Total | $2,414,920 | $5,463,333 | $5,519,826 | $6,476,409 | $5,542,077 | $3,596,299 | $12,164,408 |
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