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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | | | | | $38,645 | $94,711 | $54,182 |
| Carbides, of silicon, whether or not chemically defined | $4,601,805 | $4,852,762 | $6,997,639 | $12,021,863 | $6,359,884 | $9,164,678 | $14,997,614 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $19,007,536 | $23,177,970 | $24,376,452 | $28,204,642 | $7,769,272 | $28,746,921 | $44,814,367 |
| Total | $23,609,341 | $28,030,732 | $31,374,091 | $40,226,505 | $14,167,801 | $38,006,310 | $59,866,163 |
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