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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $100 | $394 | $3,698 | $673 | $456 | $9,089 | $1,678 |
| Carbon electrodes, other than of a kind used for furnaces | $237,180 | $45,430 | $303,251 | $541,954 | $80,418 | $33,000 | $45,776 |
| Carbon brushes | $67,350 | $56,288 | $47,280 | $75,136 | $66,142 | $58,367 | $70,594 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $181,730 | $79,193 | $69,696 | $100,616 | $85,533 | $86,674 | $74,822 |
| Total | $486,360 | $181,305 | $423,925 | $718,379 | $232,549 | $187,130 | $192,870 |
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