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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $2,336,768 | $2,519,908 | $1,600,739 | $2,921,849 | $3,814,325 | $1,940,811 | $2,843,651 |
| Carbides, of silicon, whether or not chemically defined | $643,265 | $523,820 | $400,115 | $625,231 | $504,979 | $316,532 | $460,079 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $137,574 | $83,484 | $269,702 | $198,416 | $45,171 | $104,766 | $35,515 |
| Total | $3,117,607 | $3,127,212 | $2,270,556 | $3,745,496 | $4,364,475 | $2,362,109 | $3,339,245 |
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