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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $5,700,040 | $6,426,421 | $8,446,555 | $13,769,121 | $8,123,825 | $15,401,615 | $6,634,589 |
| Carbon electrodes, other than of a kind used for furnaces | $662,211 | $2,645,827 | $726,153 | $601,258 | $463,332 | $579,401 | $688,573 |
| Carbon brushes | $1,175,329 | $1,007,799 | $1,764,967 | $1,898,705 | $1,592,393 | $1,900,686 | $2,166,208 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $752,151 | $970,110 | $801,778 | $734,892 | $542,599 | $745,445 | $649,759 |
| Total | $8,289,731 | $11,050,157 | $11,739,453 | $17,003,976 | $10,722,149 | $18,627,147 | $10,139,129 |
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