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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $1,184,885 | $1,981,017 | $2,105,211 | $1,843,942 | $2,125,695 | $3,286,263 | $2,473,253 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $894,071 | $725,683 | $830,790 | $1,033,812 | $678,141 | $1,174,547 | $1,488,618 |
| Total | $2,078,956 | $2,706,700 | $2,936,001 | $2,877,754 | $2,803,836 | $4,460,810 | $3,961,871 |
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