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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $13,797,179 | $17,067,854 | $21,031,687 | $23,099,217 | $13,257,215 | $11,388,279 | $18,101,180 |
| Carbon electrodes, other than of a kind used for furnaces | $1,680,844 | $1,997,612 | $3,460,670 | $6,541,620 | $5,814,029 | $3,298,408 | $6,924,382 |
| Carbon brushes | $715,826 | $705,261 | $913,473 | $988,088 | $675,702 | $640,989 | $559,159 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $289,591 | $214,451 | $561,924 | $422,863 | $287,684 | $287,447 | $644,836 |
| Total | $16,483,440 | $19,985,178 | $25,967,754 | $31,051,788 | $20,034,630 | $15,615,123 | $26,229,557 |
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