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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $17,720,454 | $10,898,934 | $15,955,681 | $17,750,136 | $22,216,493 | $23,570,351 | $27,662,706 |
| Carbon electrodes, other than of a kind used for furnaces | $172,038,147 | $194,016,048 | $259,436,062 | $303,483,046 | $220,414,274 | $154,831,537 | $191,946,259 |
| Carbon brushes | $1,218,520 | $1,397,745 | $1,594,504 | $1,596,759 | $1,711,658 | $1,499,200 | $2,116,443 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,016,855 | $1,886,430 | $1,442,461 | $1,351,558 | $5,503,279 | $11,900,572 | $19,660,831 |
| Total | $191,993,976 | $208,199,157 | $278,428,708 | $324,181,499 | $249,845,704 | $191,801,660 | $241,386,239 |
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