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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $35,630,464 | $35,275,245 | $41,962,976 | $40,558,450 | $32,586,066 | $48,844,865 | $61,496,291 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $18,885,156 | $40,428,006 | $70,812,694 | $65,733,774 | $39,438,598 | $28,328,142 | $25,360,384 |
| Total | $54,515,620 | $75,703,251 | $112,775,670 | $106,292,224 | $72,024,664 | $77,173,007 | $86,856,675 |
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