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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $1,282,445 | $846,974 | $1,872,441 | $2,653,384 | $2,936,778 | $3,273,292 | $3,620,878 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $996,740 | $1,738,573 | $1,112,814 | $1,880,995 | $1,342,354 | $1,640,642 | $1,842,789 |
| Total | $2,279,185 | $2,585,547 | $2,985,255 | $4,534,379 | $4,279,132 | $4,913,934 | $5,463,667 |
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