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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $73,764,743 | $90,122,119 | $120,857,900 | $174,217,456 | $90,398,679 | $121,287,980 | $145,321,792 |
| Carbon electrodes, other than of a kind used for furnaces | $13,222,162 | $10,407,672 | $10,926,962 | $19,641,667 | $7,256,849 | $8,062,772 | $6,412,886 |
| Carbon brushes | $27,751,428 | $26,476,274 | $30,363,545 | $38,503,471 | $24,903,460 | $26,550,685 | $26,577,461 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $3,021,157 | $3,537,864 | $3,883,800 | $4,311,969 | $3,702,914 | $3,299,945 | $6,032,268 |
| Total | $117,759,490 | $130,543,929 | $166,032,207 | $236,674,563 | $126,261,902 | $159,201,382 | $184,344,407 |
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