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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $22,729,341 | $24,913,994 | $25,460,604 | $32,820,795 | $13,721,843 | $30,221,353 | $34,711,928 |
| Carbon electrodes, other than of a kind used for furnaces | $4,887,209 | $14,408,449 | $17,008,473 | $11,728,926 | $4,457,952 | $4,974,796 | $15,683,656 |
| Carbon brushes | $2,306,029 | $1,610,581 | $2,454,809 | $2,565,595 | $1,860,178 | $2,393,696 | $2,422,355 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $179,974 | $154,159 | $233,426 | $233,775 | $213,390 | $387,550 | $398,241 |
| Total | $30,102,553 | $41,087,183 | $45,157,312 | $47,349,091 | $20,253,363 | $37,977,395 | $53,216,180 |
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