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| Commodity | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | | $3,307 | $632 |
| Carbon electrodes, other than of a kind used for furnaces | $75 | $1,895 | $815 |
| Carbon brushes | $575 | $2,494 | $854 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $202 | $1,803 | $341 |
| Total | $852 | $9,499 | $2,642 |
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