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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $871,039 | $1,474,530 | $1,260,929 | $2,335,909 | $2,848,885 | $3,504,504 | $1,537,061 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $19,139 | $64,092 | $145,151 | $116,693 | $74,157 | $20,090 | $40,918 |
| Total | $890,178 | $1,538,622 | $1,406,080 | $2,452,602 | $2,923,042 | $3,524,594 | $1,577,979 |
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