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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $545 | $3,459 | $609 | $2,063 | $3,527 | | |
| Carbides, of silicon, whether or not chemically defined | $76,586 | $82,384 | $141,339 | $58,555 | $43,448 | $167,324 | $150,913 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $2,599,114 | $3,093,651 | $3,551,715 | $4,256,830 | $2,758,336 | $3,512,587 | $4,885,953 |
| Total | $2,676,245 | $3,179,494 | $3,693,663 | $4,317,448 | $2,805,311 | $3,679,911 | $5,036,866 |
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