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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | | $4,593,707 | $5,774,995 | $5,617,188 | $2,257,031 | $3,351,746 | $5,569,852 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $1,208,466 | $1,474,991 | $1,928,049 | $1,772,117 | $2,122,209 | $2,872,993 | $2,199,565 |
| Total | $1,208,466 | $6,068,698 | $7,703,044 | $7,389,305 | $4,379,240 | $6,224,739 | $7,769,417 |
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