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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $2,771,821 | $2,739,252 | $3,068,629 | $3,766,273 | $1,683,608 | $1,688,391 | $1,697,601 |
| Carbides, of silicon, whether or not chemically defined | $1,560,661 | $1,907,163 | $2,321,951 | $2,850,220 | $1,719,247 | $2,287,977 | $2,675,163 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $678,114 | $875,003 | $367,432 | $414,765 | $243,040 | $238,878 | $468,173 |
| Total | $5,010,596 | $5,521,418 | $5,758,012 | $7,031,258 | $3,645,895 | $4,215,246 | $4,840,937 |
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