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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $5,819,120 | $7,572,029 | $9,139,372 | $5,893,647 | $2,597,820 | $5,655,183 | $5,004,863 |
| Carbon electrodes, other than of a kind used for furnaces | $1,153,378 | $1,755,731 | $3,945,323 | $4,060,510 | $567,899 | $2,975,181 | $3,329,890 |
| Carbon brushes | $572,124 | $607,978 | $1,174,044 | $1,233,141 | $657,318 | $983,927 | $1,050,816 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $221,725 | $123,254 | $269,528 | $287,203 | $262,272 | $186,019 | $457,062 |
| Total | $7,766,347 | $10,058,992 | $14,528,267 | $11,474,501 | $4,085,309 | $9,800,310 | $9,842,631 |
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