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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $21,745,126 | $34,030,454 | $63,102,963 | $73,256,554 | $43,769,806 | $59,927,011 | $63,551,074 |
| Carbon electrodes, other than of a kind used for furnaces | $9,161,935 | $6,191,022 | $26,231,560 | $14,521,935 | $4,497,058 | $3,906,143 | $7,300,462 |
| Carbon brushes | $8,814,448 | $9,800,849 | $10,336,444 | $10,396,518 | $7,349,603 | $7,619,175 | $6,925,946 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $4,323,737 | $6,557,723 | $3,212,493 | $6,914,888 | $2,424,191 | $3,297,386 | $2,093,151 |
| Total | $44,045,246 | $56,580,048 | $102,883,460 | $105,089,895 | $58,040,658 | $74,749,715 | $79,870,633 |
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