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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Carbon electrodes, of a kind used for furnaces | $256 | $1,456 | $296 | $420 | $4,667 |
| Carbon electrodes, other than of a kind used for furnaces | $754 | $3,068 | $2,879 | $12,466 | $15,463 |
| Carbon brushes | $7,815 | $6,697 | $5,542 | $4,998 | $10,467 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $384 | $53 | $264 | $4,447 | $1,327 |
| Total | $9,209 | $11,274 | $8,981 | $22,331 | $31,924 |
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