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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $6,970 | $16,601 | $177,922 | $81,160 | $150,106 | $100,028 | $87,659 |
| Carbides, of silicon, whether or not chemically defined | $9,207,137 | $10,018,500 | $15,632,060 | $23,540,570 | $9,320,307 | $20,489,456 | $31,170,305 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $4,493,840 | $5,819,570 | $4,580,031 | $4,147,360 | $2,971,571 | $5,165,555 | $5,777,675 |
| Total | $13,707,947 | $15,854,671 | $20,390,013 | $27,769,090 | $12,441,984 | $25,755,039 | $37,035,639 |
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