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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $81,160,381 | $120,219,339 | $141,807,926 | $191,744,045 | $129,984,113 | $211,315,850 | $327,785,199 |
| Carbon electrodes, other than of a kind used for furnaces | $28,802,895 | $7,122,777 | $4,554,686 | $4,623,075 | $3,951,107 | $3,256,759 | $5,037,614 |
| Carbon brushes | $559,184 | $736,577 | $1,236,333 | $3,790,575 | $5,090,407 | $4,705,311 | $5,244,017 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $2,725,671 | $6,256,674 | $2,502,266 | $3,886,067 | $2,593,967 | $3,133,162 | $11,614,424 |
| Total | $113,248,131 | $134,335,367 | $150,101,211 | $204,043,762 | $141,619,594 | $222,411,082 | $349,681,254 |
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