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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $3,579,233 | $4,633,468 | $5,613,985 | $5,866,532 | $1,110,398 | $1,527,335 | $4,191,767 |
| Pitch coke, obt. from coal tar/oth. min. tars | $76,178 | | | $29,634 | $76,120 | $8,727 | $59,490 |
| Total | $3,655,411 | $4,633,468 | $5,613,985 | $5,896,166 | $1,186,518 | $1,536,062 | $4,251,257 |
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