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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $4,057,651 | $3,405,533 | $5,684,113 | $7,579,207 | $6,445,486 | $8,605,949 | $10,637,863 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $7,566,206 | $9,435,978 | $9,599,990 | $10,096,617 | $9,726,203 | $10,636,838 | $13,215,898 |
| Total | $11,623,857 | $12,841,511 | $15,284,103 | $17,675,824 | $16,171,689 | $19,242,787 | $23,853,761 |
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