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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $1,573,543 | $1,483,049 | $2,278,396 | $1,860,736 | $2,622,133 | $1,188,655 | $1,724,359 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $4,421,927 | $4,776,396 | $4,462,971 | $4,189,468 | $3,873,006 | $4,630,753 | $4,573,560 |
| Total | $5,995,470 | $6,259,445 | $6,741,367 | $6,050,204 | $6,495,139 | $5,819,408 | $6,297,919 |
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