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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $71,428 | $82,630 | $137,965 | $40,628 | $102,118 | $105,407 | $152,113 |
| Carbon electrodes, other than of a kind used for furnaces | $81,920 | $47,472 | $212,575 | $533,454 | $81,583 | $31,800 | $194,189 |
| Carbon brushes | $163,931 | $220,287 | $200,606 | $522,739 | $207,945 | $132,389 | $263,468 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $118,864 | $26,513 | $25,499 | $38,810 | $2,841 | $38,696 | $133,981 |
| Total | $436,143 | $376,902 | $576,645 | $1,135,631 | $394,487 | $308,292 | $743,751 |
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