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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $1,864 | $678 | | $147,026 | $13,330 | $9,490 | $1,541 |
| Carbon electrodes, other than of a kind used for furnaces | $34,535 | $4,434 | $26,287 | $59,488 | $30,643 | $165,032 | $105,495 |
| Carbon brushes | $99,341 | $67,191 | $82,496 | $93,883 | $55,499 | $103,629 | $71,139 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $16,879 | $24,699 | $16,431 | $42,991 | $45,367 | $34,775 | $39,763 |
| Total | $152,619 | $97,002 | $125,214 | $343,388 | $144,839 | $312,926 | $217,938 |
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