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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $1,073,309 | $1,234,549 | $510,992 | $844,996 | $1,216,210 | $990,815 | $645,510 |
| Carbides, of silicon, whether or not chemically defined | $341,925 | $268,384 | $408,244 | $423,037 | $251,306 | $3,978,948 | $817,147 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $259,187 | $556,639 | $389,669 | $261,139 | $179,758 | $321,423 | $37,533 |
| Total | $1,674,421 | $2,059,572 | $1,308,905 | $1,529,172 | $1,647,274 | $5,291,186 | $1,500,190 |
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