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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $87,512,535 | $113,815,450 | $151,843,425 | $188,124,524 | $100,691,332 | $154,496,754 | $183,874,867 |
| Carbon electrodes, other than of a kind used for furnaces | $82,274,275 | $100,901,762 | $148,628,362 | $192,821,294 | $161,274,239 | $151,386,989 | $174,870,342 |
| Carbon brushes | $22,403,826 | $24,136,433 | $27,924,250 | $35,528,175 | $19,489,452 | $18,873,334 | $18,839,661 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $5,926,326 | $4,453,948 | $6,288,788 | $4,739,548 | $3,849,820 | $5,486,496 | $5,658,437 |
| Total | $198,116,962 | $243,307,593 | $334,684,825 | $421,213,541 | $285,304,843 | $330,243,573 | $383,243,307 |
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