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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $508,977 | $490,387 | $382,721 | $552,969 | $361,021 | $215,966 | $764,295 |
| Carbides, of silicon, whether or not chemically defined | $126,123 | $163,854 | $62,618 | $73,885 | $129,421 | $93,769 | $50,980 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $65,732 | $8,035 | $632 | | $18,372 | $5,442 | $287 |
| Total | $700,832 | $662,276 | $445,971 | $626,854 | $508,814 | $315,177 | $815,562 |
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