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| Commodity | 2005 | 2006 | 2007 | 2010 |
| Activated carbon | $2,443,325 | $3,748,648 | $5,743,223 | $8,401,344 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $1,828,356 | $1,589,995 | $1,990,831 | $2,302,670 |
| Total | $4,271,681 | $5,338,643 | $7,734,054 | $10,704,014 |
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