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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $60,604 | $145,913 | $38,675 | $9,289 | $391 | $4,247 | $41,649 |
| Carbon electrodes, other than of a kind used for furnaces | $21,629 | $59,004 | $30,045 | $80,131 | $80,304 | $44,200 | $131,007 |
| Carbon brushes | $126,548 | $218,065 | $380,060 | $588,115 | $229,067 | $178,162 | $455,301 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $127,265 | $229,228 | $16,247 | $24,657 | $53,072 | $1,571,802 | $3,386,363 |
| Total | $336,046 | $652,210 | $465,027 | $702,192 | $362,834 | $1,798,411 | $4,014,320 |
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