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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $22,397 | $9,086 | $8,289 | $251 | $385,418 | $758,051 | $163,181 |
| Carbon electrodes, other than of a kind used for furnaces | $103,324 | $53,419 | $61,789 | $44,886 | $29,573 | $61,413 | $71,992 |
| Carbon brushes | $24,402 | $21,247 | $65,577 | $13,731 | $25,471 | $17,795 | $25,357 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $300 | $6,402 | $16,601 | $24,282 | $17,266 | $1,847 | $4,293 |
| Total | $150,423 | $90,154 | $152,256 | $83,150 | $457,728 | $839,106 | $264,823 |
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