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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $568,034 | $542,243 | $602,099 | $810,395 | $890,790 | $798,673 | $510,424 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $1,326,087 | $1,883,974 | $1,760,736 | $1,826,001 | $1,800,631 | $1,246,875 | $1,573,138 |
| Total | $1,894,121 | $2,426,217 | $2,362,835 | $2,636,396 | $2,691,421 | $2,045,548 | $2,083,562 |
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