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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $102,607 | $272,438 | $365,435 | $172,020 | $172,423 | $143,058 | $102,126 |
| Carbon electrodes, other than of a kind used for furnaces | $2,017,793 | $2,117,301 | $4,660,483 | $14,065,020 | $2,266,195 | $2,060,290 | $2,250,367 |
| Carbon brushes | $827,238 | $1,511,850 | $1,792,304 | $3,674,458 | $4,517,773 | $4,247,838 | $2,367,477 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $7,347,886 | $12,428,572 | $20,288,811 | $8,108,209 | $5,569,864 | $7,258,719 | $6,689,783 |
| Total | $10,295,524 | $16,330,161 | $27,107,033 | $26,019,707 | $12,526,255 | $13,709,905 | $11,409,753 |
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