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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | | $11,544 | | $17,352 | $8,203 | $23,623 | $30,819 |
| Carbon electrodes, other than of a kind used for furnaces | $38,501 | $55,384 | $57,244 | $57,793 | $39,319 | $40,072 | $29,614 |
| Carbon brushes | $489,341 | $417,595 | $301,507 | $295,613 | $287,448 | $304,632 | $133,223 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $108,266 | $84,540 | $92,577 | $93,310 | $61,450 | $42,023 | $52,605 |
| Total | $636,108 | $569,063 | $451,328 | $464,068 | $396,420 | $410,350 | $246,261 |
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