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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Activated carbon | $34,831 | $62,562 | $89,669 | $68,729 | $118,820 | $160,107 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $201,746 | $334,717 | $322,611 | $492,266 | $585,999 | $720,325 |
| Total | $236,577 | $397,279 | $412,280 | $560,995 | $704,819 | $880,432 |
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