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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $799 | $3,163 | | $250 | $103 | $1,487 |
| Carbon electrodes, other than of a kind used for furnaces | $4,941 | $4,680 | $35,097 | $1,941 | $11,269 | $36,462 |
| Carbon brushes | $101,420 | $94,443 | $98,001 | $79,043 | $80,844 | $111,109 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $7,930 | $40,377 | $8,826 | $3,954 | $8,995 | $21,757 |
| Total | $115,090 | $142,663 | $141,924 | $85,188 | $101,211 | $170,815 |
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