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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $9,309,675 | $11,879,845 | $15,322,919 | $20,321,304 | $10,635,624 | $18,359,625 | $17,360,166 |
| Carbon electrodes, other than of a kind used for furnaces | $669,486 | $371,138 | $372,541 | $424,406 | $423,947 | $474,265 | $533,429 |
| Carbon brushes | $3,005,866 | $2,995,231 | $3,066,647 | $3,967,226 | $1,859,752 | $2,415,904 | $2,251,761 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $217,212 | $610,077 | $567,124 | $579,022 | $252,506 | $474,522 | $1,058,332 |
| Total | $13,202,239 | $15,856,291 | $19,329,231 | $25,291,958 | $13,171,829 | $21,724,316 | $21,203,688 |
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