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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $465,791 | $453,917 | $449,934 | $595,771 | $448,685 | $385,312 | $311,029 |
| Carbides, of silicon, whether or not chemically defined | $11,079 | $7,038 | $26,865 | $18,168 | $8,019 | $1,757 | $21,432 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $5,533 | $1,934 | $5,082 | $6,056 | $5,126 | $1,735 | $5,309 |
| Total | $482,403 | $462,889 | $481,881 | $619,995 | $461,830 | $388,804 | $337,770 |
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