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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $19,347 | $20,266 | $16,664 | $27,884 | | $11,927 | $18,986 |
| Carbides, of silicon, whether or not chemically defined | $340,333 | $582,795 | $494,442 | $876,948 | $654,438 | $1,382,043 | $1,854,544 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $745,667 | $3,790,701 | $1,987,837 | $1,415,926 | $616,510 | $1,082,597 | $1,845,098 |
| Total | $1,105,347 | $4,393,762 | $2,498,943 | $2,320,758 | $1,270,948 | $2,476,567 | $3,718,628 |
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