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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $4,581,979 | $6,370,923 | $6,268,256 | $6,560,133 | $4,508,755 | $2,759,881 | $4,386,989 |
| Pitch coke, obt. from coal tar/oth. min. tars | $985,929 | $1,342,962 | $55 | | $16,212 | $144,489 | $247,748 |
| Total | $5,567,908 | $7,713,885 | $6,268,311 | $6,560,133 | $4,524,967 | $2,904,370 | $4,634,737 |
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