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| Commodity | 2005 | 2007 | 2008 | 2009 | 2011 |
| Activated carbon | $19,026 | $29,325 | $3,060 | $15,837 | $9,420 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | | $139,663 | $176,944 | $72,165 | $32,321 |
| Total | $19,026 | $168,988 | $180,004 | $88,002 | $41,741 |
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