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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $716,913 | $713,458 | $684,703 | $943,635 | $1,073,586 | $1,059,059 |
| Carbides, of silicon, whether or not chemically defined | $332,508 | $325,106 | $400,479 | $509,919 | $541,226 | $474,700 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $199 | | $25,127 | $1,112 | $14,354 | $14,505 |
| Total | $1,049,620 | $1,038,564 | $1,110,309 | $1,454,666 | $1,629,166 | $1,548,264 |
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