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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $236,581 | $116,479 | $73,336 | $418,177 | $597,788 | $242,210 | $896,246 |
| Carbon electrodes, other than of a kind used for furnaces | $31,594 | $77,911 | $49,936 | $21,121 | $17,307 | $35,928 | $35,325 |
| Carbon brushes | $99,459 | $123,257 | $143,715 | $139,371 | $196,325 | $272,411 | $302,593 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $48,603 | $47,535 | $65,734 | $38,347 | $43,955 | $17,165 | $38,291 |
| Total | $416,237 | $365,182 | $332,721 | $617,016 | $855,375 | $567,714 | $1,272,455 |
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