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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $14,172,853 | $36,045,724 | $45,659,417 | $56,454,188 | $24,778,249 | $28,604,005 | $29,930,175 |
| Carbon electrodes, other than of a kind used for furnaces | $159,688 | $186,442 | $93,308 | $538,743 | $235,366 | $164,557 | $40,428 |
| Carbon brushes | $16,733 | $23,421 | $317,086 | $346,994 | $49,253 | $64,144 | $66,262 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $9,303 | $6,196 | $21,468 | $166,739 | $118,320 | $294,944 | $785,240 |
| Total | $14,358,577 | $36,261,783 | $46,091,279 | $57,506,664 | $25,181,188 | $29,127,650 | $30,822,105 |
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