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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $487,401 | $533,893 | $548,905 | $836,356 | $796,818 | $971,593 | $892,384 |
| Carbides, of silicon, whether or not chemically defined | $306 | $4,612 | $517 | $809 | $4,430 | $4,457 | $5,486 |
| Carbides other than of carbon/silicon, whether or not chemically defined | | | | $527 | | | $31,309 |
| Total | $487,707 | $538,505 | $549,422 | $837,692 | $801,248 | $976,050 | $929,179 |
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