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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $1,695,998 | $1,687,647 | $1,457,637 | $1,927,961 | $2,096,893 | $2,074,332 | $2,305,237 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $671,018 | $806,818 | $652,115 | $710,491 | $494,835 | $870,981 | $1,382,014 |
| Total | $2,367,016 | $2,494,465 | $2,109,752 | $2,638,452 | $2,591,728 | $2,945,313 | $3,687,251 |
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