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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $13,633,901 | $20,574,770 | $25,319,429 | $25,214,180 | $9,779,798 | $28,046,719 | $27,176,010 |
| Carbon electrodes, other than of a kind used for furnaces | $871,973 | $759,294 | $707,499 | $2,159,441 | $2,322,760 | $4,595,917 | $923,902 |
| Carbon brushes | $518,055 | $394,723 | $590,730 | $621,973 | $671,722 | $865,032 | $853,553 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,234,294 | $912,116 | $824,170 | $1,800,828 | $3,170,249 | $1,629,510 | $981,127 |
| Total | $16,258,223 | $22,640,903 | $27,441,828 | $29,796,422 | $15,944,529 | $35,137,178 | $29,934,592 |
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