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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | | | $14,766 | $83,127 | $61,015 | $63,010 | $91,946 |
| Carbon electrodes, other than of a kind used for furnaces | $14,000 | $6,752 | $4,513 | $12,745 | $119,948 | $9,878 | $9,685 |
| Carbon brushes | $113,000 | $93,512 | $113,994 | $135,150 | $109,451 | $131,936 | $141,337 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $61,000 | $76,856 | $36,613 | $110,771 | $50,040 | $54,179 | $29,339 |
| Total | $188,000 | $177,120 | $169,886 | $341,793 | $340,454 | $259,003 | $272,307 |
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