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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Pitch, obt. from coal tar/oth. min. tars | $1,844,359 | $5,754,044 | | $55,996 | $89,298 | $684,378 |
| Pitch coke, obt. from coal tar/oth. min. tars | $922,801 | $3,419,762 | $3,902,942 | $2,357,728 | $319,520 | $945,662 |
| Total | $2,767,160 | $9,173,806 | $3,902,942 | $2,413,724 | $408,818 | $1,630,040 |
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