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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $14,047,496 | $13,556,665 | $27,321,059 | $30,511,613 | $19,362,446 | $28,133,541 |
| Carbon electrodes, other than of a kind used for furnaces | $2,041,167 | $2,714,724 | $3,468,955 | $4,844,594 | $2,122,068 | $5,937,446 |
| Carbon brushes | $5,185,507 | $6,627,055 | $9,838,996 | $10,676,660 | $8,850,926 | $5,812,505 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,522,940 | $2,602,036 | $4,247,722 | $4,492,700 | $3,803,593 | $3,797,363 |
| Total | $22,797,110 | $25,500,480 | $44,876,732 | $50,525,567 | $34,139,033 | $43,680,855 |
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