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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $177 | $3,224 | $17,520 | $76 | | $3,348 | |
| Carbon electrodes, other than of a kind used for furnaces | $34,450 | $24,156 | $49,761 | $19,436 | $11,441 | $12,744 | $11,048 |
| Carbon brushes | $192,506 | $123,665 | $161,210 | $171,642 | $92,606 | $175,116 | $220,780 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $366,902 | $434,766 | $172,472 | $320,853 | $232,213 | $130,173 | $280,766 |
| Total | $594,035 | $585,811 | $400,963 | $512,007 | $336,260 | $321,381 | $512,594 |
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