|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $136,135 | $46,646 | $97,240 | $54,617 | $70,415 | $343 | $39,785 |
| Carbides, of silicon, whether or not chemically defined | | | | $23 | | $1,570 | |
| Carbides other than of carbon/silicon, whether or not chemically defined | $4,275 | $1 | | $77 | | $169 | $304 |
| Total | $140,410 | $46,647 | $97,240 | $54,717 | $70,415 | $2,082 | $40,089 |
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