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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $454 | $1,229 | | $508 | | | $26,293 |
| Carbon electrodes, other than of a kind used for furnaces | $1,239 | $3,002 | $20,472 | $30,914 | $26,262 | $129,587 | $132,170 |
| Carbon brushes | $127,382 | $94,815 | $148,717 | $140,079 | $188,923 | $332,313 | $202,034 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $41,438 | $39,402 | $82,522 | $78,857 | $213,932 | $285,438 | $68,636 |
| Total | $170,513 | $138,448 | $251,711 | $250,358 | $429,117 | $747,338 | $429,133 |
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