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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $2,770,355 | $3,070,601 | $3,616,119 | $3,009,836 | $2,744,715 | $4,381,975 | $1,737,253 |
| Carbon electrodes, other than of a kind used for furnaces | $1,484,632 | $215,466 | $1,192,338 | $1,565,011 | $1,145,795 | $1,588,962 | $1,277,056 |
| Carbon brushes | $201,074 | $205,822 | $239,696 | $234,557 | $204,977 | $283,386 | $273,889 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $222,650 | $1,556,567 | $618,901 | $197,599 | $176,480 | $213,461 | $99,463 |
| Total | $4,678,711 | $5,048,456 | $5,667,054 | $5,007,003 | $4,271,967 | $6,467,784 | $3,387,661 |
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