|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $514,646 | $530,380 | $467,789 | $656,413 | $600,956 | $274,943 | $486,373 |
| Carbides, of silicon, whether or not chemically defined | | | | $259 | | | |
| Carbides other than of carbon/silicon, whether or not chemically defined | $25,155 | $40 | | | $9,359 | | $29 |
| Total | $539,801 | $530,420 | $467,789 | $656,672 | $610,315 | $274,943 | $486,402 |
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