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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $4,619,769 | $2,968,513 | $5,955,166 | $6,152,821 | $164,881 | $1,589 | $587,766 |
| Carbon electrodes, other than of a kind used for furnaces | $450,165 | $614,413 | $155,971 | $279,190 | $87,678 | $153,595 | $128,225 |
| Carbon brushes | $473,258 | $836,470 | $401,837 | $499,945 | $364,460 | $499,799 | $532,675 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $51,210 | $225,066 | $245,576 | $288,279 | $94,230 | $155,310 | $173,229 |
| Total | $5,594,402 | $4,644,462 | $6,758,550 | $7,220,235 | $711,249 | $810,293 | $1,421,895 |
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