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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $284,174 | $928,016 | $1,267,533 | $1,746,680 | $1,841,348 | $1,211,702 | $1,286,590 |
| Carbides, of silicon, whether or not chemically defined | $348,136 | $525,220 | $534,033 | $250,579 | $351,782 | $1,347,700 | $2,063,474 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $8,473,805 | $750,880 | $907,488 | $2,569,578 | $2,286,241 | $9,760,494 | $6,744,005 |
| Total | $9,106,115 | $2,204,116 | $2,709,054 | $4,566,837 | $4,479,371 | $12,319,896 | $10,094,069 |
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