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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $103,597 | $78,237 | $16,653,460 | $1,295,907 | $2,527,741 | $2,739,062 |
| Carbon electrodes, other than of a kind used for furnaces | $5,134 | $80,068 | $30,377,318 | $7,099,229 | $2,555,286 | $4,089,005 |
| Carbon brushes | $59,579 | $145,501 | $95,826 | $61,217 | $546,409 | $206,997 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $625,215 | $1,073,742 | $597,051 | $254,739 | $894,073 | $1,006,616 |
| Total | $793,525 | $1,377,548 | $47,723,655 | $8,711,092 | $6,523,509 | $8,041,680 |
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