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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $4,416,000 | $4,259,000 | $5,620,000 | $7,402,000 | $4,169,000 | $3,762,000 | $6,409,000 |
| Carbon electrodes, other than of a kind used for furnaces | $3,588,000 | $1,394,000 | $1,947,000 | $1,784,000 | $1,762,000 | $1,602,000 | $562,000 |
| Carbon brushes | $1,709,000 | $1,470,000 | $1,638,000 | $2,161,000 | $1,379,000 | $1,707,000 | $2,020,000 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $374,000 | $441,000 | $296,000 | $415,000 | $257,000 | $193,000 | $1,248,000 |
| Total | $10,087,000 | $7,564,000 | $9,501,000 | $11,762,000 | $7,567,000 | $7,264,000 | $10,239,000 |
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