|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | | $1,304 | | $984 | $430 | |
| Carbon electrodes, other than of a kind used for furnaces | | | $4,153,447 | $878,199 | $204,330 | $528,489 |
| Carbon brushes | | $871 | | $1,342 | | $160 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $755 | | $4,750 | $52,691 | $6,532 | $586,510 |
| Total | $755 | $2,175 | $4,158,197 | $933,216 | $211,292 | $1,115,159 |
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