|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $628 | $54 | | | | $13,461 | |
| Carbon electrodes, other than of a kind used for furnaces | $40,106 | $17,001 | $23,091 | $71,452 | $14,626 | $109,387 | $11,215 |
| Carbon brushes | $26,731 | $62,752 | $13,203 | $29,101 | $15,885 | $66,252 | $32,617 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | | $9,097 | $1,042 | $1,723 | $35,712 | $8,362 | $2,879 |
| Total | $67,465 | $88,904 | $37,336 | $102,276 | $66,223 | $197,462 | $46,711 |
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