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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $17,127,600 | $23,370,300 | $27,800,400 | $31,267,100 | $18,728,400 | $30,477,500 | $30,902,900 |
| Carbon electrodes, other than of a kind used for furnaces | $168,400 | $105,100 | $561,000 | $159,400 | $559,500 | $605,900 | $392,100 |
| Carbon brushes | $1,647,300 | $2,499,000 | $3,473,000 | $3,572,300 | $1,671,300 | $2,374,400 | $2,809,600 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $237,800 | $338,200 | $210,300 | $303,400 | $327,100 | $673,300 | $684,000 |
| Total | $19,181,100 | $26,312,600 | $32,044,700 | $35,302,200 | $21,286,300 | $34,131,100 | $34,788,600 |
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