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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $20,865,719 | $14,386,674 | $25,944,358 | $36,099,808 | $14,419,618 | $24,220,335 | $33,220,295 |
| Carbon electrodes, other than of a kind used for furnaces | $11,048,763 | $11,200,338 | $14,070,877 | $30,262,549 | $14,949,127 | $47,834,340 | $58,618,154 |
| Carbon brushes | $4,554,581 | $4,287,213 | $3,057,925 | $3,985,723 | $2,842,485 | $3,242,150 | $3,420,022 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $526,425 | $567,625 | $1,254,362 | $1,087,491 | $1,373,165 | $2,046,883 | $2,112,017 |
| Total | $36,995,488 | $30,441,850 | $44,327,522 | $71,435,571 | $33,584,395 | $77,343,708 | $97,370,488 |
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