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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $62,601 | $67,211 | $100,823 | $35,704 | $10,944 | $122,942 | $77,785 |
| Carbon electrodes, other than of a kind used for furnaces | $585,936 | $389,777 | $3,491,123 | $5,558,896 | $4,933,865 | $6,151,303 | $6,724,052 |
| Carbon brushes | $4,452,947 | $5,184,937 | $7,568,213 | $6,258,508 | $5,160,342 | $5,675,086 | $6,439,866 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $190,524 | $202,492 | $130,130 | $327,589 | $389,192 | $465,007 | $447,611 |
| Total | $5,292,008 | $5,844,417 | $11,290,289 | $12,180,697 | $10,494,343 | $12,414,338 | $13,689,314 |
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