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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $763,999 | $983,869 | $1,200,061 | $3,807,655 | $1,069,039 | $3,333,530 | $1,816,412 |
| Carbon electrodes, other than of a kind used for furnaces | $88,760 | $100,528 | $146,275 | $148,078 | $159,510 | $80,287 | $87,211 |
| Carbon brushes | $312,679 | $338,763 | $483,915 | $577,637 | $474,291 | $561,000 | $497,474 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $257,907 | $288,815 | $456,606 | $298,461 | $276,999 | $110,366 | $178,265 |
| Total | $1,423,345 | $1,711,975 | $2,286,857 | $4,831,831 | $1,979,839 | $4,085,183 | $2,579,362 |
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