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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $9,163,543 | $8,214,626 | $10,618,936 | $13,770,225 | $10,736,673 | $9,851,124 | $19,489,563 |
| Pitch coke, obt. from coal tar/oth. min. tars | $4,246,545 | $5,100,330 | $5,542,010 | $12,171,666 | $4,021,520 | $9,664,305 | $6,930,646 |
| Total | $13,410,088 | $13,314,956 | $16,160,946 | $25,941,891 | $14,758,193 | $19,515,429 | $26,420,209 |
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