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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $406,708 | $341,627 | $426,743 | $504,506 | $353,790 | $167,354 | $184,934 |
| Carbides, of silicon, whether or not chemically defined | $2,452 | $200 | $946 | $1,930 | | $564 | $35 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $1,082 | $1,444 | $4,921 | $2,011 | $15,317 | $1,612 | $1,111 |
| Total | $410,242 | $343,271 | $432,610 | $508,447 | $369,107 | $169,530 | $186,080 |
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