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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $9,738,082 | $9,666,127 | $11,013,422 | $14,013,824 | $9,762,098 | $8,210,856 | $11,306,090 |
| Carbides, of silicon, whether or not chemically defined | $8,011,957 | $11,204,623 | $17,430,967 | $22,422,388 | $11,427,530 | $14,891,748 | $27,961,731 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $333,205 | $568,356 | $557,497 | $661,558 | $257,067 | $5,956,251 | $14,248,620 |
| Total | $18,083,244 | $21,439,106 | $29,001,886 | $37,097,770 | $21,446,695 | $29,058,855 | $53,516,441 |
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