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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $558,451 | $346,409 | $315,800 | $494,285 | $496,515 | $452,005 | $714,051 |
| Carbides, of silicon, whether or not chemically defined | $32,146 | $26,638 | $14,035 | $64,607 | $58,474 | $34,219 | $36,901 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $6,612 | $155,888 | $634 | $28,085 | $386 | $35 | $3,560 |
| Total | $597,209 | $528,935 | $330,469 | $586,977 | $555,375 | $486,259 | $754,512 |
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