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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $1,840,132 | $2,721,831 | $7,606,297 | $10,993,545 | $18,509,692 |
| Carbon electrodes, other than of a kind used for furnaces | $362,353 | $462,648 | $315,187 | $16,897,005 | $34,617,039 |
| Carbon brushes | $12,567 | $93,945 | $49,014 | $207,707 | $134,044 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $62,161 | $1,982,094 | $7,306,156 | $2,565,508 | $2,153,805 |
| Total | $2,277,213 | $5,260,518 | $15,276,654 | $30,663,765 | $55,414,580 |
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