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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $59,792,239 | $53,878,048 | $50,954,654 | $58,011,954 | $52,675,748 | $75,180,880 | $79,070,242 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $2,838,478 | $3,800,908 | $3,680,011 | $5,420,131 | $6,714,703 | $11,797,249 | $5,184,704 |
| Total | $62,630,717 | $57,678,956 | $54,634,665 | $63,432,085 | $59,390,451 | $86,978,129 | $84,254,946 |
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