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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, other than of a kind used for furnaces | $8,527 | | | $25 | $5,386 | $16,242 |
| Carbon brushes | | $3,529 | $7 | | | $662 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $10,455 | | | $411 | | $3,610 |
| Total | $18,982 | $3,529 | $7 | $436 | $5,386 | $20,514 |
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