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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $147 | $1,473 | $1,419 | $5,105 | $1,445 | $15,809 | $104,223 |
| Carbon electrodes, other than of a kind used for furnaces | $41,487 | $34,802 | $123,792 | $76,453 | $49,242 | $74,763 | $119,437 |
| Carbon brushes | $77,202 | $62,622 | $76,597 | $107,845 | $114,234 | $142,867 | $390,410 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $9,016 | $28,501 | $4,620 | $128,040 | $349,203 | $125,158 | $494,316 |
| Total | $127,852 | $127,398 | $206,428 | $317,443 | $514,124 | $358,597 | $1,108,386 |
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