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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $41,370,800 | $44,486,809 | $38,677,101 | $43,486,843 | $30,149,605 | $37,410,497 | $69,368,799 |
| Carbon electrodes, other than of a kind used for furnaces | $28,917,653 | $36,891,091 | $65,408,834 | $198,677,286 | $141,324,337 | $80,890,596 | $75,674,457 |
| Carbon brushes | $136,424 | $158,984 | $215,962 | $271,350 | $226,295 | $661,505 | $252,925 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $6,252,126 | $3,547,068 | $4,312,622 | $4,370,976 | $1,573,854 | $1,302,030 | $1,060,507 |
| Total | $76,677,003 | $85,083,952 | $108,614,519 | $246,806,455 | $173,274,091 | $120,264,628 | $146,356,688 |
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