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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $1,313,245 | $1,996,896 | $2,042,525 | $2,413,884 | $2,182,908 | $2,007,126 | $1,963,890 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $756,326 | $783,524 | $1,549,909 | $1,272,193 | $1,307,380 | $1,043,383 | $1,669,045 |
| Total | $2,069,571 | $2,780,420 | $3,592,434 | $3,686,077 | $3,490,288 | $3,050,509 | $3,632,935 |
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