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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $2,783 | $14,470 | $56,238 | $198,453 | $154,482 | $2,278 | $414,864 |
| Carbon electrodes, other than of a kind used for furnaces | $518,895 | $440,261 | $410,762 | $1,139,756 | $436,223 | $790,429 | $1,448,804 |
| Carbon brushes | $8,823,386 | $7,800,333 | $9,390,663 | $9,458,770 | $8,263,373 | $11,642,662 | $14,789,815 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $172,095 | $93,294 | $264,650 | $743,290 | $948,550 | $753,371 | $1,255,368 |
| Total | $9,517,159 | $8,348,358 | $10,122,313 | $11,540,269 | $9,802,628 | $13,188,740 | $17,908,851 |
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