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| Commodity | 2005 | 2006 | 2007 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $16,123,937 | $12,445,095 | $18,083,350 | $17,324,063 | $21,114,944 |
| Carbides, of silicon, whether or not chemically defined | | | | $3,668,684 | $9,832,848 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $400 | $488 | $874 | $24,855 | $43,232 |
| Total | $16,124,337 | $12,445,583 | $18,084,224 | $21,017,602 | $30,991,024 |
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