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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $8,411,263 | $7,791,329 | $9,549,960 | $9,739,413 | $10,298,729 | $12,093,691 | $15,323,725 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $3,698,259 | $2,694,084 | $3,795,816 | $3,845,518 | $3,079,767 | $4,658,637 | $3,430,482 |
| Total | $12,109,522 | $10,485,413 | $13,345,776 | $13,584,931 | $13,378,496 | $16,752,328 | $18,754,207 |
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