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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $7,894 | $75,317 | $14,692 | $9,486 | $89,731 | $10,114 | $76,414 |
| Carbon electrodes, other than of a kind used for furnaces | $24,767 | $7,049 | $11,411 | $14,920 | $13,244 | $2,193 | $1,841,742 |
| Carbon brushes | $174,490 | $215,643 | $214,023 | $518,462 | $245,729 | $816,638 | $784,273 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $26,472 | $15,087 | $118,906 | $37,074 | $20,465 | $33,585 | $16,578 |
| Total | $233,623 | $313,096 | $359,032 | $579,942 | $369,169 | $862,530 | $2,719,007 |
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