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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $2,324,212 | $2,659,127 | $2,619,731 | $3,452,145 | $3,404,327 | $3,426,396 | $4,525,170 |
| Carbides, of silicon, whether or not chemically defined | $656,136 | $544,630 | $688,949 | $745,381 | $716,327 | $822,812 | $1,210,282 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $2,677 | $1,248 | $29,114 | $3,310 | $9,990 | $40,119 | $63,275 |
| Total | $2,983,025 | $3,205,005 | $3,337,794 | $4,200,836 | $4,130,644 | $4,289,327 | $5,798,727 |
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