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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $1,076,952 | $799,796 | $1,129,058 | $2,044,408 | $1,151,402 | $1,299,005 | $9,744,857 |
| Carbon electrodes, other than of a kind used for furnaces | $110,620 | $14,346 | $14,841 | $11,488 | $59,419 | $158,884 | $28,149 |
| Carbon brushes | $1,297,612 | $1,604,298 | $2,683,647 | $2,414,251 | $1,139,152 | $1,761,383 | $2,086,314 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $22,913 | $5,874 | $9,666 | $5,897 | $273,759 | $8,351 | $47,146 |
| Total | $2,508,097 | $2,424,314 | $3,837,212 | $4,476,044 | $2,623,732 | $3,227,623 | $11,906,466 |
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