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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $6,300 | $1,900 | $3,900 | $14,900 | $5,500 | $14,400 | $2,800 |
| Pitch coke, obt. from coal tar/oth. min. tars | $17,500 | $45,400 | $9,400 | | | | |
| Total | $23,800 | $47,300 | $13,300 | $14,900 | $5,500 | $14,400 | $2,800 |
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