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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $50,719 | $79,441 | $19,753 | $51,690 | $82,788 | $58,959 | $56,446 |
| Carbides, of silicon, whether or not chemically defined | $1,189 | $550 | $577 | $939 | $552 | $254 | $346 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $1,669 | $1,411 | $9,424 | $10,811 | $17,661 | $1,434 | |
| Total | $53,577 | $81,402 | $29,754 | $63,440 | $101,001 | $60,647 | $56,792 |
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