|
| Commodity | 2005 | 2006 | 2007 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $500 | | | |
| Carbon electrodes, other than of a kind used for furnaces | | $20,039 | | $389,761 |
| Carbon brushes | | $4,402 | | |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $6,218 | $3,531,190 | $541,227 | |
| Total | $6,718 | $3,555,631 | $541,227 | $389,761 |
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