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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $3,519 | | $38,070 | $17,326 | $29,745 | $409 | $19,105 |
| Carbides, of silicon, whether or not chemically defined | $248,826 | $284,046 | $243,125 | $485,163 | $333,020 | $350,579 | $469,637 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $50,953 | $102,548 | $337,820 | $204,272 | $249,718 | $50,144 | $437,266 |
| Total | $303,298 | $386,594 | $619,015 | $706,761 | $612,483 | $401,132 | $926,008 |
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