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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, other than of a kind used for furnaces | $108,460 | $242,700 | $378,268 | $368,787 | $752,230 | $897,738 | $1,305,718 |
| Carbon brushes | $20,523,207 | $23,715,000 | $21,533,427 | $18,399,751 | $20,885,323 | $29,240,628 | $25,063,134 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $2,692,181 | $1,696,640 | $1,300,909 | $3,354,298 | $921,125 | $1,768,880 | $1,060,788 |
| Total | $23,323,848 | $25,654,340 | $23,212,604 | $22,122,836 | $22,558,678 | $31,907,246 | $27,429,640 |
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