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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $39,025 | $501,763 | $616,943 | $828,140 | $691,429 | $1,397,654 | $1,402,015 |
| Pitch coke, obt. from coal tar/oth. min. tars | $12,680,428 | $11,931,809 | $12,570,271 | $13,183,920 | $5,539,510 | $9,469,607 | $10,339,692 |
| Total | $12,719,453 | $12,433,572 | $13,187,214 | $14,012,060 | $6,230,939 | $10,867,261 | $11,741,707 |
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