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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $1,585,471 | $1,606,608 | $1,574,610 | $2,052,438 | $2,340,724 | $1,780,000 | $2,065,437 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $769,478 | $869,028 | $1,189,285 | $1,130,991 | $1,354,939 | $1,027,384 | $1,161,825 |
| Total | $2,354,949 | $2,475,636 | $2,763,895 | $3,183,429 | $3,695,663 | $2,807,384 | $3,227,262 |
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