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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $53,661,992 | $64,703,072 | $95,008,793 | $164,479,243 | $111,569,353 | $135,641,767 | $130,890,294 |
| Carbon electrodes, other than of a kind used for furnaces | $1,662,209 | $5,691,017 | $10,667,810 | $19,130,841 | $6,977,457 | $18,479,143 | $14,121,793 |
| Carbon brushes | $3,074,334 | $3,559,882 | $5,395,503 | $5,574,788 | $4,087,474 | $4,425,548 | $3,996,517 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $5,966,843 | $9,964,063 | $14,362,688 | $23,954,460 | $4,747,897 | $4,242,521 | $6,640,971 |
| Total | $64,365,378 | $83,918,034 | $125,434,794 | $213,139,332 | $127,382,181 | $162,788,979 | $155,649,575 |
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