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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $5,619,341 | $5,896,636 | $8,453,341 | $8,787,867 | $6,292,407 | $6,959,139 | $8,952,827 |
| Pitch coke, obt. from coal tar/oth. min. tars | $1,300,649 | | $741,981 | $802,438 | $722,237 | $1,182,632 | $833,469 |
| Total | $6,919,990 | $5,896,636 | $9,195,322 | $9,590,305 | $7,014,644 | $8,141,771 | $9,786,296 |
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