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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $897,219 | $310,718 | $604,266 | $803,160 | $304,198 | $545,134 |
| Carbon electrodes, other than of a kind used for furnaces | $243,207 | $441,034 | $223,021 | $74,029 | $149,390 | $318,987 |
| Carbon brushes | $86,973 | $237,076 | $180,543 | $390,286 | $216,965 | $182,379 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $79,589 | $320,970 | $217,533 | $607,825 | $143,358 | $153,358 |
| Total | $1,306,988 | $1,309,798 | $1,225,363 | $1,875,300 | $813,911 | $1,199,858 |
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