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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Activated carbon | $219,092 | $420,355 | $305,430 | $413,385 | $550,832 | $527,913 | $814,254 |
| Activated nat. min. prods. other than of activated carbon; animal black, in ... | $1,860,117 | $1,877,753 | $2,680,163 | $3,110,451 | $1,835,536 | $1,829,684 | $1,741,485 |
| Total | $2,079,209 | $2,298,108 | $2,985,593 | $3,523,836 | $2,386,368 | $2,357,597 | $2,555,739 |
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