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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $4,440,408 | $8,115,466 | $4,929,017 | $6,130,803 | $1,679,448 |
| Carbon electrodes, other than of a kind used for furnaces | $927,351 | $1,247,453 | $759,574 | $3,428,938 | $3,149,662 |
| Carbon brushes | $83,395 | $315,838 | $1,102,230 | $2,028,415 | $2,203,293 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $8,520 | $59,335 | $159,076 | $53 | $216,414 |
| Total | $5,459,674 | $9,738,092 | $6,949,897 | $11,588,209 | $7,248,817 |
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