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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Carbides, of calcium, whether or not chemically defined | $3,392,739 | $2,426,897 | $4,245,410 | $3,094,648 | $3,126,050 | $2,470,890 |
| Carbides, of silicon, whether or not chemically defined | $1,156,437 | $792,195 | $1,303,533 | $1,311,525 | $1,026,624 | $2,431,130 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $287,841 | $17,761 | $42,755 | $6,029 | $17,193 | $94,900 |
| Total | $4,837,017 | $3,236,853 | $5,591,698 | $4,412,202 | $4,169,867 | $4,996,920 |
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