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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $1,600,630 | | $3,005,208 | $3,860,059 | $39,845 | $24,037 | $135,781 |
| Carbides, of silicon, whether or not chemically defined | $734,479 | $405,298 | $606,101 | $607,449 | $182,566 | $162,414 | $187,919 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $41,051 | $163,806 | $93,603 | $111,093 | $14,470 | $120,748 | $268,365 |
| Total | $2,376,160 | $569,104 | $3,704,912 | $4,578,601 | $236,881 | $307,199 | $592,065 |
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