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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Activated carbon | $333,097 | $69,441 | $494,922 | $362,719 | $322,965 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $121,223 | $152,161 | $67,389 | $26,814 | $50,988 |
| Total | $454,320 | $221,602 | $562,311 | $389,533 | $373,953 |
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