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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $31,377 | $23,472 | $25,590 | $45,405 | $36,540 | $59,410 | $44,624 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $2,652 | $6,953 | $7,844 | | $1,107 | $3,115 | $1,115 |
| Total | $34,029 | $30,425 | $33,434 | $45,405 | $37,647 | $62,525 | $45,739 |
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