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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $241 | | $2,135 | $46,709 | $16,379 | $203,411 | $119,926 |
| Carbon electrodes, other than of a kind used for furnaces | $1,794 | $5,815 | $1,842 | $8,980 | $3,048 | $49,969 | $7,664 |
| Carbon brushes | $8,135 | $502 | $8,865 | $496 | $48,305 | $5,008 | $7,281 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $5,776 | $11,881 | $1,570 | $363 | $4,936 | $4,025 | $10,354 |
| Total | $15,946 | $18,198 | $14,412 | $56,548 | $72,668 | $262,413 | $145,225 |
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