|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | | | | | | $27,680 |
| Carbon electrodes, other than of a kind used for furnaces | | $9,636 | $2,030 | | $2,986 | |
| Carbon brushes | $726 | | $8,855 | $8,954 | $8,094 | $128,158 |
| Total | $726 | $9,636 | $10,885 | $8,954 | $11,080 | $155,838 |
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