|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $92,943 | $212,088 | $13,993 | $16,960 | $33,668 | | |
| Carbides, of silicon, whether or not chemically defined | | | | $63,820 | $60,600 | $178,200 | $187,900 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $60,789 | $9,938 | $27,804 | $35,881 | | | |
| Total | $153,732 | $222,026 | $41,797 | $116,661 | $94,268 | $178,200 | $187,900 |
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