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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $250,634 | $449,985 | $300,560 | $301,691 | $583,877 | $367,254 |
| Carbides, of silicon, whether or not chemically defined | $31,660 | $2,010 | | $2,480 | $17 | $326 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $128,294 | $174,091 | $278,284 | $364,020 | $64,584 | $304,940 |
| Total | $410,588 | $626,086 | $578,844 | $668,191 | $648,478 | $672,520 |
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