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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $489,011 | $654,057 | $639,259 | $968,787 | $532,644 | $505,391 |
| Carbides, of silicon, whether or not chemically defined | $4,505 | $421 | $479 | | $553 | $1,176 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $5,018 | | $4,099 | $7,386 | $31,914 | $1,662 |
| Total | $498,534 | $654,478 | $643,837 | $976,173 | $565,111 | $508,229 |
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