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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $584,946 | $721,538 | $1,090,688 | $1,426,637 | $824,305 | $767,982 |
| Carbon electrodes, other than of a kind used for furnaces | $118,460 | $83,879 | $250,977 | $93,712 | $99,468 | $77,129 |
| Carbon brushes | $164,053 | $177,841 | $213,071 | $241,465 | $166,972 | $269,877 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $78,883 | $64,406 | $107,369 | $371,028 | $98,432 | $108,686 |
| Total | $946,342 | $1,047,664 | $1,662,105 | $2,132,842 | $1,189,177 | $1,223,674 |
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