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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $12,608,149 | $13,010,869 | $21,901,836 | $27,433,156 | $11,650,088 | $16,748,113 | $17,394,752 |
| Carbon electrodes, other than of a kind used for furnaces | $218,968 | $82,686 | $95,642 | $80,848 | $83,783 | $90,255 | $64,334 |
| Carbon brushes | $469,262 | $560,652 | $582,747 | $820,999 | $618,966 | $532,318 | $643,398 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $109,256 | $152,351 | $158,932 | $232,079 | $131,260 | $115,344 | $122,625 |
| Total | $13,405,635 | $13,806,558 | $22,739,157 | $28,567,082 | $12,484,097 | $17,486,030 | $18,225,109 |
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