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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $815,000 | $610,000 | $824,000 | $1,171,000 | $364,000 | $276,928 | $251,638 |
| Carbides, of silicon, whether or not chemically defined | $49,305,000 | $56,313,000 | $59,285,000 | $60,244,000 | $49,260,000 | $66,482,709 | $74,217,259 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $101,413,000 | $141,008,000 | $158,721,000 | $146,434,000 | $54,832,000 | $88,855,615 | $139,411,068 |
| Total | $151,533,000 | $197,931,000 | $218,830,000 | $207,849,000 | $104,456,000 | $155,615,252 | $213,879,965 |
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