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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $2,472,435 | $2,582,506 | $3,398,452 | $5,580,094 | $9,487,000 | $13,824,923 | $16,249,439 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $98,650 | $180,086 | $91,167 | $50,122 | $180,714 | $456,140 | $892,664 |
| Total | $2,571,085 | $2,762,592 | $3,489,619 | $5,630,216 | $9,667,714 | $14,281,063 | $17,142,103 |
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