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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $115,264 | $180,553 | $210,776 | $220,859 | $352,404 | $165,832 | $129,539 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $53,095 | $148,282 | $129,541 | $171,881 | $129,302 | $163,173 | $180,262 |
| Total | $168,359 | $328,835 | $340,317 | $392,740 | $481,706 | $329,005 | $309,801 |
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