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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $6,189,813 | $7,456,677 | $6,704,688 | $6,186,234 | $3,638,761 | $9,672,379 |
| Carbon electrodes, other than of a kind used for furnaces | $12,491 | $22,176 | $82,619 | $70,373 | $46,886 | $22,539 |
| Carbon brushes | $188,832 | $244,302 | $163,836 | $248,685 | $211,269 | $231,141 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $40,782 | $36,796 | $120,239 | $94,949 | $44,032 | $131,110 |
| Total | $6,431,918 | $7,759,951 | $7,071,382 | $6,600,241 | $3,940,948 | $10,057,169 |
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