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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $17,043 | $17,381 | $17,853 | $28,332 | $727,384 | $21,668 | $30,811 |
| Carbon electrodes, other than of a kind used for furnaces | $12,672 | $76,301 | $20,893 | $17,137 | $14,991 | $7,458 | $11,424 |
| Carbon brushes | $84,556 | $79,503 | $39,862 | $92,879 | $71,158 | $120,663 | $127,227 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $13,638 | $11,999 | $18,000 | $15,857 | $13,573 | $13,202 | $13,839 |
| Total | $127,909 | $185,184 | $96,608 | $154,205 | $827,106 | $162,991 | $183,301 |
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