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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbon electrodes, of a kind used for furnaces | $1,505 | $3,207 | $130,891 | $975 | $26,042 | $5,814 |
| Carbon electrodes, other than of a kind used for furnaces | $3,688,072 | $3,516,888 | $8,284,103 | $1,432,068 | $160,091 | $1,866,892 |
| Carbon brushes | $145,809 | $97,365 | $344,165 | $304,263 | $143,541 | $225,291 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $460,240 | $377,724 | $212,688 | $6,012 | $17,163 | $1,413,225 |
| Total | $4,295,626 | $3,995,184 | $8,971,847 | $1,743,318 | $346,837 | $3,511,222 |
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