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| Commodity | 2005 | 2007 | 2008 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $49,600 | $158,678 | $275,165 | $344,888 | $361,710 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $18,410 | | $21,306 | $3,927 | $20,291 |
| Total | $68,010 | $158,678 | $296,471 | $348,815 | $382,001 |
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