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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $1,775 | $106 | $50 | $762 | $105 | $3,743 | $257 |
| Carbon electrodes, other than of a kind used for furnaces | $39,517 | $19,223 | $41,725 | $26,940 | $9,428 | $16,203 | $9,418 |
| Carbon brushes | $54,737 | $45,269 | $64,129 | $53,223 | $38,956 | $50,125 | $40,123 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $7,064 | $5,713 | $39,382 | $26,577 | $23,761 | $16,145 | $40,915 |
| Total | $103,093 | $70,311 | $145,286 | $107,502 | $72,250 | $86,216 | $90,713 |
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