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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $5,526,605 | $5,951,440 | $4,257,965 | $18,315 | $27 | $69,912 | $128,282 |
| Carbides, of silicon, whether or not chemically defined | $210,412 | $1,221,322 | $1,942,510 | $4,278,119 | $1,687,329 | $2,262,640 | $4,053,008 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $282,105 | $691,980 | $297,764 | $553,295 | $68,494 | $1,261,727 | $1,575,071 |
| Total | $6,019,122 | $7,864,742 | $6,498,239 | $4,849,729 | $1,755,850 | $3,594,279 | $5,756,361 |
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