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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $1,634,810 | $2,012,806 | $4,345,322 | $5,038,540 | $2,571,775 | $5,162,031 | $6,311,801 |
| Carbon electrodes, other than of a kind used for furnaces | $45,247 | $19,828 | $27,299 | $53,194 | $39,782 | $15,611 | $13,169 |
| Carbon brushes | $91,045 | $85,034 | $95,854 | $89,585 | $133,379 | $92,794 | $66,503 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $34,347 | $43,997 | $37,763 | $188,813 | $20,604 | $62,527 | $33,651 |
| Total | $1,805,449 | $2,161,665 | $4,506,238 | $5,370,132 | $2,765,540 | $5,332,963 | $6,425,124 |
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