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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $899,174 | $1,023,925 | $888,215 | $1,657,023 | $804,615 | $946,598 | $884,893 |
| Carbon electrodes, other than of a kind used for furnaces | $36,601 | $28,353 | $22,914 | $76,563 | $30,658 | $180,418 | $86,777 |
| Carbon brushes | $126,414 | $250,529 | $216,094 | $426,243 | $293,532 | $143,810 | $475,686 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $172,307 | $49,713 | $11,281 | $135,333 | $4,432 | $11,302 | $25,194 |
| Total | $1,234,496 | $1,352,520 | $1,138,504 | $2,295,162 | $1,133,237 | $1,282,128 | $1,472,550 |
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