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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $76,208 | $92,782 | $211,628 | $39,991 | $42,702 | $2,471 | $87,574 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $402,937 | $338,671 | $628,556 | $599,750 | $96,863 | $306,634 | $202,898 |
| Total | $479,145 | $431,453 | $840,184 | $639,741 | $139,565 | $309,105 | $290,472 |
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