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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $676,746 | $784,904 | $879,693 | $213,113 | $715,584 | $757,210 | $771,354 |
| Carbon electrodes, other than of a kind used for furnaces | $448,066 | $1,921,870 | $300,762 | $1,020,415 | $1,046,143 | $1,710,736 | $1,595,634 |
| Carbon brushes | $617,589 | $745,020 | $736,488 | $1,095,517 | $687,548 | $535,267 | $724,451 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $417,660 | $529,993 | $623,350 | $1,637,550 | $1,182,469 | $563,293 | $858,003 |
| Total | $2,160,061 | $3,981,787 | $2,540,293 | $3,966,595 | $3,631,744 | $3,566,506 | $3,949,442 |
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