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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $125,271 | $169,240 | $250,299 | $353,782 | $249,580 | $215,803 | $275,875 |
| Carbides, of silicon, whether or not chemically defined | $52,070 | | $25,439 | | | | |
| Carbides other than of carbon/silicon, whether or not chemically defined | | $5,891 | | | $5,115 | $21,902 | |
| Total | $177,341 | $175,131 | $275,738 | $353,782 | $254,695 | $237,705 | $275,875 |
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