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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $2,480,910 | $4,122,179 | $4,743,225 | $6,152,310 | $6,774,325 | $9,289,954 | $10,487,547 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $3,340,980 | $4,270,217 | $5,170,159 | $5,283,761 | $4,638,251 | $8,395,889 | $12,830,096 |
| Total | $5,821,890 | $8,392,396 | $9,913,384 | $11,436,071 | $11,412,576 | $17,685,843 | $23,317,643 |
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