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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $27,830,008 | $24,336,468 | $61,027,802 | $53,199,775 | $21,850,560 | $18,768,833 | $16,997,086 |
| Pitch coke, obt. from coal tar/oth. min. tars | | | | $33,731 | $14,173 | $491 | $86 |
| Total | $27,830,008 | $24,336,468 | $61,027,802 | $53,233,506 | $21,864,733 | $18,769,324 | $16,997,172 |
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