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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $139,995 | $102,862 | $92,048 | $226,915 | $308,737 | $343,805 | $343,248 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $104,063 | $1,000,062 | $288,795 | $114,200 | $104,998 | $514,692 | $219,085 |
| Total | $244,058 | $1,102,924 | $380,843 | $341,115 | $413,735 | $858,497 | $562,333 |
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