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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $829,559 | $1,110,639 | $867,007 | $1,287,632 | $1,735,824 | $1,437,691 | $1,652,819 |
| Carbides, of silicon, whether or not chemically defined | $17,841 | $18,202 | $27,462 | $13,085 | $113,141 | $508,752 | $88,991 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $8,811 | $53,693 | $38,299 | $62,625 | $145 | $7,497 | $43,151 |
| Total | $856,211 | $1,182,534 | $932,768 | $1,363,342 | $1,849,110 | $1,953,940 | $1,784,961 |
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