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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $21,998 | $40,415 | $5,733 | $5,420 | $20,910 | $58,967 | $1,831 |
| Carbon electrodes, other than of a kind used for furnaces | $1,267,749 | $1,215,531 | $795,688 | $1,071,839 | $638,717 | $1,196,390 | $564,555 |
| Carbon brushes | $298,533 | $360,081 | $418,348 | $486,290 | $238,169 | $371,105 | $432,600 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $400,680 | $517,535 | $478,241 | $554,184 | $476,437 | $351,573 | $492,838 |
| Total | $1,988,960 | $2,133,562 | $1,698,010 | $2,117,733 | $1,374,233 | $1,978,035 | $1,491,824 |
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