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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $9,207,634 | $4,995,841 | $163,295 | $128,534 | $257,228 | $475,941 | $914,375 |
| Carbides, of silicon, whether or not chemically defined | $33,226,824 | $37,651,786 | $37,999,567 | $50,120,093 | $16,041,767 | $33,978,311 | $66,580,134 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $18,830 | $24,287 | $106,594 | $202,230 | | | |
| Total | $42,453,288 | $42,671,914 | $38,269,456 | $50,450,857 | $16,298,995 | $34,454,252 | $67,494,509 |
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