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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $181,712,855 | $243,224,130 | $346,383,428 | $402,782,545 | $295,836,911 | $336,412,247 |
| Carbon electrodes, other than of a kind used for furnaces | $633,635 | $547,719 | $937,487 | $782,117 | $871,731 | $961,597 |
| Carbon brushes | $5,054,062 | $5,992,310 | $6,498,986 | $5,999,823 | $6,366,146 | $6,708,049 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $335,427 | $513,551 | $684,984 | $858,730 | $2,891,226 | $651,616 |
| Total | $187,735,979 | $250,277,710 | $354,504,885 | $410,423,215 | $305,966,014 | $344,733,509 |
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