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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $77,200,989 | $100,162,789 | $122,433,312 | $174,381,247 | $62,841,205 | $123,310,617 | $124,990,950 |
| Carbon electrodes, other than of a kind used for furnaces | $66,906,053 | $76,778,985 | $113,590,260 | $116,260,376 | $105,032,379 | $101,039,509 | $132,436,841 |
| Carbon brushes | $31,750,652 | $35,652,987 | $39,134,322 | $72,350,870 | $35,460,930 | $43,486,048 | $43,724,231 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $26,706,502 | $27,406,172 | $32,472,186 | $37,348,216 | $22,609,765 | $23,256,576 | $23,361,192 |
| Total | $202,564,196 | $240,000,933 | $307,630,080 | $400,340,709 | $225,944,279 | $291,092,750 | $324,513,214 |
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