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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $223,969 | $240,177 | $359,587 | $685,966 | $714,853 | $784,172 | $1,537,336 |
| Carbon electrodes, other than of a kind used for furnaces | $284,453 | $359,407 | $391,985 | $663,297 | $543,491 | $526,569 | $482,926 |
| Carbon brushes | $892,268 | $1,131,785 | $1,402,962 | $1,886,645 | $2,006,561 | $1,708,238 | $2,254,095 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,109,784 | $971,097 | $1,038,694 | $1,482,765 | $2,613,513 | $1,550,905 | $1,306,639 |
| Total | $2,510,474 | $2,702,466 | $3,193,228 | $4,718,673 | $5,878,418 | $4,569,884 | $5,580,996 |
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