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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Pitch, obt. from coal tar/oth. min. tars | $32,155,037 | $24,547,468 | $32,644,316 | $49,282,005 | $25,361,243 | $11,598,180 | $25,944,494 |
| Pitch coke, obt. from coal tar/oth. min. tars | $7,736 | | $4,902 | $8,947 | $6,343 | $996 | $354 |
| Total | $32,162,773 | $24,547,468 | $32,649,218 | $49,290,952 | $25,367,586 | $11,599,176 | $25,944,848 |
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