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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $93,967,982 | $75,081,905 | $137,016,413 | $119,691,656 | $38,757,329 | $73,490,398 | $53,699,277 |
| Carbon electrodes, other than of a kind used for furnaces | $6,228,891 | $14,524,091 | $5,402,812 | $3,890,822 | $1,930,071 | $3,916,358 | $5,018,655 |
| Carbon brushes | $22,134,890 | $21,723,435 | $25,941,517 | $28,636,019 | $22,174,163 | $36,600,091 | $40,772,476 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $3,948,827 | $4,786,362 | $5,641,727 | $6,646,778 | $1,397,814 | $847,628 | $1,237,307 |
| Total | $126,280,590 | $116,115,793 | $174,002,469 | $158,865,275 | $64,259,377 | $114,854,475 | $100,727,715 |
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