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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $742,898 | $692,143 | $609,779 | $662,651 | $440,940 | $966,435 | $2,702,710 |
| Carbon electrodes, other than of a kind used for furnaces | $106,365 | $216,382 | $130,779 | $166,986 | $57,299 | $170,296 | $116,394 |
| Carbon brushes | $450,524 | $539,699 | $1,220,892 | $626,213 | $472,321 | $867,385 | $701,499 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $407,486 | $217,626 | $242,614 | $314,684 | $223,693 | $170,310 | $252,527 |
| Total | $1,707,273 | $1,665,850 | $2,204,064 | $1,770,534 | $1,194,253 | $2,174,426 | $3,773,130 |
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