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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $8,443,895 | $28,897,792 | $10,956,472 | $16,720,459 | $9,918,959 | $7,859,167 | $22,696,936 |
| Pitch coke, obt. from coal tar/oth. min. tars | $1,328,654 | $3,165,313 | $5,095,226 | $3,418,394 | $1,776,956 | $2,131,258 | $28,309 |
| Total | $9,772,549 | $32,063,105 | $16,051,698 | $20,138,853 | $11,695,915 | $9,990,425 | $22,725,245 |
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