|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | | | | $29,280 | | $1,903 | |
| Carbon electrodes, other than of a kind used for furnaces | | $12,269 | $9,765 | $191 | $249,534 | $800 | |
| Carbon brushes | | $18 | $265 | $141 | $2,693 | | $10,785 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $68,135 | $124,902 | $11,251 | | $315 | $384 | |
| Total | $68,135 | $137,189 | $21,281 | $29,612 | $252,542 | $3,087 | $10,785 |
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