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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $1,598,179 | $1,157,567 | $1,843,129 | $2,370,625 | $1,698,436 | $1,599,857 |
| Carbides, of silicon, whether or not chemically defined | $349,239 | $470,428 | $486,893 | $774,780 | $539,161 | $524,879 |
| Carbides other than of carbon/silicon, whether or not chemically defined | | $230 | $3,705 | $2,126 | $992 | $3,679 |
| Total | $1,947,418 | $1,628,225 | $2,333,727 | $3,147,531 | $2,238,589 | $2,128,415 |
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