|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $630 | $221 | | $33,852 | $10,776 | $135,283 |
| Carbon electrodes, other than of a kind used for furnaces | $4,926 | $52,008 | $103,543 | $7,378 | $26,976 | $31,468 |
| Carbon brushes | $1,150 | $15,930 | $5,610 | | $22,954 | $261,039 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $376 | $2,900 | $17,760 | $651 | $67,418 | |
| Total | $7,082 | $71,059 | $126,913 | $41,881 | $128,124 | $427,790 |
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