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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $612 | $2,238 | $1,479 | $1,088 | $366 | $479 | $776 |
| Carbon electrodes, other than of a kind used for furnaces | $11,571 | $41,105 | $28,102 | $16,327 | $10,034 | $21,442 | $14,424 |
| Carbon brushes | $120,722 | $99,634 | $110,313 | $136,716 | $103,487 | $137,944 | $151,688 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $11,585 | $7,583 | $75,196 | $7,579 | $20,155 | $6,983 | $12,581 |
| Total | $144,490 | $150,560 | $215,090 | $161,710 | $134,042 | $166,848 | $179,469 |
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