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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $393,049 | $1,835,243 | $558,966 | $1,203,749 | $531,971 | $1,655,634 | $495,172 |
| Carbides, of silicon, whether or not chemically defined | $9,993,296 | $10,880,418 | $11,668,914 | $15,324,157 | $9,966,076 | $14,734,489 | $22,114,645 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $438,362 | $493,539 | $510,950 | $858,189 | $3,048,088 | $2,123,233 | $3,537,080 |
| Total | $10,824,707 | $13,209,200 | $12,738,830 | $17,386,095 | $13,546,135 | $18,513,356 | $26,146,897 |
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