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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $1,250,227 | $1,354,102 | $1,423,379 | | $9,245 |
| Carbon electrodes, other than of a kind used for furnaces | | $103,528 | $87,502 | | $118,536 |
| Carbon brushes | | $70,587 | | $147,986 | $58,581 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $68,671 | $361,792 | $334,189 | $60,132 | $14,237 |
| Total | $1,318,898 | $1,890,009 | $1,845,070 | $208,118 | $200,599 |
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