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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $130,444 | $110,586 | $88,932 | $59,702 | $102,001 | $68,962 | $171,518 |
| Carbides, of silicon, whether or not chemically defined | $63,628 | $56,863 | $86,293 | $48,739 | $31,095 | $70,678 | $77,909 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $3,614 | $1,066 | $23,556 | $1,190 | $12,859 | $6,800 | $35,733 |
| Total | $197,686 | $168,515 | $198,781 | $109,631 | $145,955 | $146,440 | $285,160 |
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