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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $6,875,273 | $9,205,865 | $9,906,856 | $14,986,413 | $6,120,285 | $9,962,066 | $10,544,978 |
| Carbon electrodes, other than of a kind used for furnaces | $2,513,010 | $4,865,688 | $2,835,990 | $3,344,897 | $1,483,111 | $2,095,962 | $1,795,363 |
| Carbon brushes | $8,304,785 | $7,904,325 | $9,273,634 | $9,384,311 | $7,365,744 | $7,952,205 | $6,994,690 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,019,924 | $799,383 | $1,059,557 | $1,173,308 | $899,196 | $1,038,159 | $1,280,042 |
| Total | $18,712,992 | $22,775,261 | $23,076,037 | $28,888,929 | $15,868,336 | $21,048,392 | $20,615,073 |
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