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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $3,635,932 | $819,609 | $2,007,885 | $1,506,077 | $971,009 | $2,251,894 | $235,745 |
| Carbon electrodes, other than of a kind used for furnaces | $685,576 | $6,253,631 | $10,417,990 | $4,178,585 | $201,563 | $2,058,256 | $6,777,386 |
| Carbon brushes | $103,206 | $125,650 | $138,080 | $716,327 | $225,322 | $244,978 | $233,138 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $5,998,289 | $1,853,333 | $6,365,631 | $20,071,834 | $2,432 | $2,294,229 | $6,626 |
| Total | $10,423,003 | $9,052,223 | $18,929,586 | $26,472,823 | $1,400,326 | $6,849,357 | $7,252,895 |
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