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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | | $58 | $211 | | $2,361 | $485 | $96,743 |
| Carbon electrodes, other than of a kind used for furnaces | $7,788 | $9,060 | $112,063 | $12,677 | $12,879 | $31,941 | $12,835 |
| Carbon brushes | $10,471 | $22,905 | $27,711 | $8,453 | $13,867 | $18,458 | $28,512 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,725 | $644 | $529 | $10,841 | $50,491 | $19,767 | $19,683 |
| Total | $19,984 | $32,667 | $140,514 | $31,971 | $79,598 | $70,651 | $157,773 |
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