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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $2,038 | $15,684 | $55,520 | $6,874 | $1,191 | $37,160 | $56,676 |
| Carbon electrodes, other than of a kind used for furnaces | $446,312 | $399,722 | $420,597 | $445,840 | $439,577 | $394,397 | $228,851 |
| Carbon brushes | $68,765 | $136,026 | $121,525 | $198,404 | $200,092 | $131,298 | $143,135 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $46,424 | $46,869 | $190,538 | $71,496 | $37,008 | $51,188 | $164,229 |
| Total | $563,539 | $598,301 | $788,180 | $722,614 | $677,868 | $614,043 | $592,891 |
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