|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $71,000 | | | | | $3,000 | |
| Carbon electrodes, other than of a kind used for furnaces | $70,000 | $1,210,000 | | | | $76,000 | $206,000 |
| Carbon brushes | $7,462,000 | $5,573,000 | $7,183,000 | $13,082,000 | $6,686,000 | $11,997,000 | $18,627,000 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $486,000 | $5,167,000 | $9,507,000 | $4,093,000 | $2,841,000 | $2,424,000 | $4,679,000 |
| Total | $8,089,000 | $11,950,000 | $16,690,000 | $17,175,000 | $9,527,000 | $14,500,000 | $23,512,000 |
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