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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $50,709,756 | $50,195,525 | $73,834,012 | $81,051,813 | $52,277,225 | $61,695,218 |
| Carbon electrodes, other than of a kind used for furnaces | $5,519,798 | $11,963,403 | $12,332,066 | $13,481,907 | $7,575,504 | $9,529,991 |
| Carbon brushes | $7,049,777 | $7,289,807 | $6,784,752 | $7,460,019 | $4,487,203 | $8,220,682 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $14,314,445 | $18,901,370 | $25,321,274 | $28,748,882 | $25,060,320 | $21,575,268 |
| Total | $77,593,776 | $88,350,105 | $118,272,104 | $130,742,621 | $89,400,252 | $101,021,159 |
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