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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $72,815 | $200,755 | $91,993 | $245,937 | $34,799 | $12,908 | $259,665 |
| Carbon electrodes, other than of a kind used for furnaces | $620,745 | $649,839 | $954,699 | $1,134,481 | $781,075 | $1,566,087 | $828,003 |
| Carbon brushes | $484,821 | $468,840 | $860,154 | $1,011,167 | $867,544 | $876,436 | $872,089 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $421,776 | $703,442 | $454,292 | $1,042,648 | $832,620 | $432,199 | $525,598 |
| Total | $1,600,157 | $2,022,876 | $2,361,138 | $3,434,233 | $2,516,038 | $2,887,630 | $2,485,355 |
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