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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $449,405 | $463,036 | $427,151 | $511,060 | $502,847 | $612,695 | $657,161 |
| Carbides, of silicon, whether or not chemically defined | $32,225 | $19,340 | $45,394 | $57,982 | $47,609 | $47,124 | $53,169 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $2,136 | | $10,590 | | $45,710 | $4,569 | $98 |
| Total | $483,766 | $482,376 | $483,135 | $569,042 | $596,166 | $664,388 | $710,428 |
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