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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $551,450 | $823,456 | $28,151 | $435,836 | $555,096 | $151,397 | $38,937 |
| Pitch coke, obt. from coal tar/oth. min. tars | | $725,626 | $576,955 | $174,107 | | | $661 |
| Total | $551,450 | $1,549,082 | $605,106 | $609,943 | $555,096 | $151,397 | $39,598 |
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