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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $16,694,211 | $20,046,278 | $21,620,971 | $30,663,407 | $23,890,313 | $17,433,710 | $38,012,929 |
| Carbides, of silicon, whether or not chemically defined | $489,758 | $437,785 | $765,871 | $706,011 | $48 | $2,126 | $1,085 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $300,419 | $357,037 | $309,377 | $368,270 | $153,571 | $228,482 | $236,015 |
| Total | $17,484,388 | $20,841,100 | $22,696,219 | $31,737,688 | $24,043,932 | $17,664,318 | $38,250,029 |
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