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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $39,482,341 | $50,849,320 | $60,324,081 | $77,864,773 | $46,148,691 | $54,302,877 | $74,296,357 |
| Carbon electrodes, other than of a kind used for furnaces | $1,644,214 | $1,302,911 | $2,264,315 | $2,840,250 | $2,536,585 | $6,837,104 | $20,616,251 |
| Carbon brushes | $6,503,603 | $5,047,547 | $6,423,972 | $5,396,722 | $5,690,996 | $5,422,721 | $6,736,991 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,603,807 | $8,501,535 | $17,089,858 | $21,914,974 | $12,576,585 | $18,337,217 | $17,670,566 |
| Total | $49,233,965 | $65,701,313 | $86,102,226 | $108,016,719 | $66,952,857 | $84,899,919 | $119,320,165 |
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