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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $3,190 | $1,638 | $1,947 | $5,745 | $4,199 | $3,110 | $1,969 |
| Pitch coke, obt. from coal tar/oth. min. tars | $80,868 | $10,269 | $97,712 | $57,134 | $35,743 | | $22 |
| Total | $84,058 | $11,907 | $99,659 | $62,879 | $39,942 | $3,110 | $1,991 |
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