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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $167,124 | $389,259 | $328,122 | $400,798 | $87,063 | $2,378,083 | $501,864 |
| Carbides, of silicon, whether or not chemically defined | $984,665 | $1,016,194 | $1,996,697 | $2,043,402 | $2,506,062 | $1,561,921 | $1,213,444 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $3,788,175 | $9,732,881 | $19,084,471 | $7,834,082 | $3,988,830 | $3,798,278 | $5,803,108 |
| Total | $4,939,964 | $11,138,334 | $21,409,290 | $10,278,282 | $6,581,955 | $7,738,282 | $7,518,416 |
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