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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $2,244,291 | $4,668,572 | $2,900,099 | $3,846,019 | $4,152,703 | $3,211,900 | $7,608,075 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $391,802 | $772,977 | $610,895 | $381,230 | $568,485 | $416,468 | $548,639 |
| Total | $2,636,093 | $5,441,549 | $3,510,994 | $4,227,249 | $4,721,188 | $3,628,368 | $8,156,714 |
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