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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $14,595,452 | $20,372,645 | $22,129,562 | $17,875,475 | $10,050,902 | $9,840,039 | $13,560,707 |
| Pitch coke, obt. from coal tar/oth. min. tars | $111,901 | $891,629 | $1,541,259 | $250,028 | $3,532,502 | $153,767 | $281,402 |
| Total | $14,707,353 | $21,264,274 | $23,670,821 | $18,125,503 | $13,583,404 | $9,993,806 | $13,842,109 |
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