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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Pitch, obt. from coal tar/oth. min. tars | $7,174,367 | $25,055,152 | $10,967,888 | $48,188,594 | $4,025,183 |
| Pitch coke, obt. from coal tar/oth. min. tars | $9,238,881 | $13,162,960 | $547,430 | | |
| Total | $16,413,248 | $38,218,112 | $11,515,318 | $48,188,594 | $4,025,183 |
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