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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Pitch, obt. from coal tar/oth. min. tars | $3,248,932 | $9,536,087 | $8,787,531 | $13,901,674 | $42,454,663 |
| Pitch coke, obt. from coal tar/oth. min. tars | $5,808,102 | $6,701,935 | $15,447,269 | $2,034 | $49,293 |
| Total | $9,057,034 | $16,238,022 | $24,234,800 | $13,903,708 | $42,503,956 |
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