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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $18,520,000 | $18,753,000 | $20,489,000 | $20,497,000 | $19,016,000 | $26,254,762 | $33,255,489 |
| Carbides, of silicon, whether or not chemically defined | $101,736,000 | $105,304,000 | $122,606,000 | $161,847,000 | $103,298,000 | $140,448,467 | $202,961,844 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $83,814,000 | $101,876,000 | $149,188,000 | $158,134,000 | $51,466,000 | $102,048,709 | $186,102,612 |
| Total | $204,070,000 | $225,933,000 | $292,283,000 | $340,478,000 | $173,780,000 | $268,751,938 | $422,319,945 |
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