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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $6,694 | $36,529 | $45,070 | $6,060 | $260,811 | $485,749 | $61,310 |
| Carbon electrodes, other than of a kind used for furnaces | $1,249 | $2,801 | $1,664 | | $7,413 | $600 | $223 |
| Carbon brushes | $241,854 | $272,303 | $303,514 | $302,284 | $204,843 | $230,773 | $144,792 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $280 | $6,349 | $1,048 | $1,836 | $6,023 | $3,849 | $152,518 |
| Total | $250,077 | $317,982 | $351,296 | $310,180 | $479,090 | $720,971 | $358,843 |
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