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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $279,889 | $365,078 | $478,427 | $547,486 | $690,329 | $621,899 | $745,857 |
| Carbides, of silicon, whether or not chemically defined | $4,066 | $1,318 | $4,898 | $22,863 | $71,441 | $3,947 | $19,889 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $18,396 | | $13,584 | $19,138 | $12,182 | $39,940 | $7,690 |
| Total | $302,351 | $366,396 | $496,909 | $589,487 | $773,952 | $665,786 | $773,436 |
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