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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $504,188 | $421,972 | $479,630 | $390,639 | $412,722 | $403,919 | $317,223 |
| Carbides, of silicon, whether or not chemically defined | | | | | | $1,761 | |
| Carbides other than of carbon/silicon, whether or not chemically defined | | | $120,507 | $16,622 | | | |
| Total | $504,188 | $421,972 | $600,137 | $407,261 | $412,722 | $405,680 | $317,223 |
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