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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $15,874,379 | $21,278,168 | $39,331,717 | $63,612,498 | $39,380,537 | $44,740,460 | $48,753,705 |
| Carbon electrodes, other than of a kind used for furnaces | $3,419,868 | $3,511,212 | $5,664,361 | $9,208,761 | $3,080,893 | $3,421,130 | $2,659,311 |
| Carbon brushes | $6,281,848 | $7,908,777 | $9,098,097 | $9,991,431 | $7,250,263 | $9,314,871 | $10,631,942 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $9,402,447 | $7,574,685 | $3,445,641 | $1,259,301 | $668,607 | $859,767 | $1,710,087 |
| Total | $34,978,542 | $40,272,842 | $57,539,816 | $84,071,991 | $50,380,300 | $58,336,228 | $63,755,045 |
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