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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $4,262 | $30,787 | $7,003 | $18,449 | $31,727 | $10,217 |
| Carbon electrodes, other than of a kind used for furnaces | $7,182 | $7,855 | $38,975 | $39,113 | $20,015 | $31,286 |
| Carbon brushes | $29,580 | $22,612 | $93,996 | $38,977 | $61,407 | $115,567 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $6,961 | $28,973 | $37,835 | $28,177 | $31,319 | $11,012 |
| Total | $47,985 | $90,227 | $177,809 | $124,716 | $144,468 | $168,082 |
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