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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $61,515,967 | $75,239,484 | $108,759,956 | $126,708,223 | $86,606,138 | $140,553,699 |
| Carbon electrodes, other than of a kind used for furnaces | $1,206,018 | $1,169,247 | $4,271,609 | $3,989,630 | $1,463,770 | $2,051,286 |
| Carbon brushes | $40,915,840 | $54,464,437 | $61,824,264 | $80,716,503 | $53,736,993 | $63,153,942 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,974,405 | $3,119,207 | $4,477,375 | $4,121,721 | $4,209,649 | $5,378,374 |
| Total | $105,612,230 | $133,992,375 | $179,333,204 | $215,536,077 | $146,016,550 | $211,137,301 |
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