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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $1,527,584 | $1,151,765 | $3,236,094 | $6,459,250 | $3,887,624 | $3,273,970 | $12,550,255 |
| Carbides, of silicon, whether or not chemically defined | $29,682,823 | $36,589,520 | $40,008,466 | $59,856,522 | $32,211,990 | $57,274,431 | $81,375,003 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $23,624 | $5,655 | $4,940 | $434,629 | $23 | $711 | |
| Total | $31,234,031 | $37,746,940 | $43,249,500 | $66,750,401 | $36,099,637 | $60,549,112 | $93,925,258 |
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