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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $103,592 | $66,693 | $109,289 | $473,234 | $202,139 | $266,001 | $333,422 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $294,724 | $110,168 | $176,029 | $268,513 | $259,355 | $258,603 | $345,593 |
| Total | $398,316 | $176,861 | $285,318 | $741,747 | $461,494 | $524,604 | $679,015 |
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