|
| Commodity | 2005 | 2007 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $4,565 | | | |
| Carbon electrodes, other than of a kind used for furnaces | $2,680 | $3,775 | $18,647 | $2,541 |
| Carbon brushes | $46,061 | $8,454 | $18,766 | $74,220 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $89 | | | $6,428 |
| Total | $53,395 | $12,229 | $37,413 | $83,189 |
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