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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $6,606,164 | $10,001,270 | $10,988,820 | $13,156,710 | $6,162,634 | $5,346,645 | $7,997,181 |
| Carbon electrodes, other than of a kind used for furnaces | $55,990 | $81,029 | $548,178 | $196,303 | $138,800 | $32,173 | $103,670 |
| Carbon brushes | $3,842,923 | $3,426,681 | $4,119,435 | $5,174,606 | $3,771,273 | $3,993,062 | $4,594,864 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $606,207 | $570,102 | $1,617,010 | $612,521 | $414,139 | $1,190,937 | $561,101 |
| Total | $11,111,284 | $14,079,082 | $17,273,443 | $19,140,140 | $10,486,846 | $10,562,817 | $13,256,816 |
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