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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $78,703,690 | $108,751,547 | $155,381,816 | $173,153,746 | $134,640,451 | $160,684,417 | $198,203,239 |
| Carbon electrodes, other than of a kind used for furnaces | $1,495,177 | $1,022,566 | $1,130,265 | $1,669,519 | $638,539 | $1,266,138 | $2,155,775 |
| Carbon brushes | $7,937,527 | $8,462,521 | $9,118,815 | $9,049,278 | $7,704,740 | $8,863,932 | $8,701,758 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $2,390,054 | $2,354,759 | $2,481,669 | $2,336,303 | $1,358,732 | $1,628,439 | $1,263,722 |
| Total | $90,526,448 | $120,591,393 | $168,112,565 | $186,208,846 | $144,342,462 | $172,442,926 | $210,324,494 |
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