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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Pitch, obt. from coal tar/oth. min. tars | | $3,445 | $19,373 | $1,242 | $11,207 | $102,887 |
| Pitch coke, obt. from coal tar/oth. min. tars | $1,206 | | $4,067 | $1,171 | $4,187 | $25,042 |
| Total | $1,206 | $3,445 | $23,440 | $2,413 | $15,394 | $127,929 |
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