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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $15,160 | $8,910 | $24,758 | $325 | $271 | $720 | |
| Carbon electrodes, other than of a kind used for furnaces | $2,102 | $11,560 | $10,684 | $58,114 | $30,557 | $4,108 | $754,517 |
| Carbon brushes | $26,129 | $32,785 | $27,975 | $196,561 | $128,483 | $99,835 | $224,961 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $5,965 | $9,912 | $6,832 | $37,828 | $13,921 | $17,320 | $8,536 |
| Total | $49,356 | $63,167 | $70,249 | $292,828 | $173,232 | $121,983 | $988,014 |
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