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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $530,991 | $446,469 | $525,660 | $632,650 | $599,603 | $580,561 | $433,952 |
| Carbides, of silicon, whether or not chemically defined | $89,144 | $88,705 | $33,754 | $83,817 | $56,210 | $402,063 | $275,681 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $6,253,521 | $2,269,506 | $2,998,725 | $4,775,279 | $1,778,617 | $1,818,270 | $2,656,624 |
| Total | $6,873,656 | $2,804,680 | $3,558,139 | $5,491,746 | $2,434,430 | $2,800,894 | $3,366,257 |
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