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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $119,759 | $279,322 | $399,758 | $357,391 | $141,397 | $331,363 | $397,656 |
| Carbides, of silicon, whether or not chemically defined | $94,136 | $92,236 | $79,061 | $130,304 | $58,596 | $169,706 | $272,736 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $18,581,093 | $13,395,394 | $31,480,165 | $3,525,386 | $734,367 | $3,729,308 | $3,960,022 |
| Total | $18,794,988 | $13,766,952 | $31,958,984 | $4,013,081 | $934,360 | $4,230,377 | $4,630,414 |
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