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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $191,241 | $238,101 | $465,013 | $229,469 | $8,397 | $88,964 | $108,962 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $120,987 | $112,605 | $151,685 | $146,800 | $149,887 | $152,096 | $292,709 |
| Total | $312,228 | $350,706 | $616,698 | $376,269 | $158,284 | $241,060 | $401,671 |
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