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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $27,813,306 | $32,234,751 | $37,629,391 | $65,244,346 | $51,748,925 | $42,802,058 | $55,983,257 |
| Carbides, of silicon, whether or not chemically defined | | | | $149,493 | $14,918 | $9,512 | $83 |
| Carbides other than of carbon/silicon, whether or not chemically defined | | | $27,642 | | $1,705 | $931 | $4,389 |
| Total | $27,813,306 | $32,234,751 | $37,657,033 | $65,393,839 | $51,765,548 | $42,812,501 | $55,987,729 |
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