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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $13,730,991 | $18,508,148 | $17,910,358 | $24,269,961 | $22,262,264 | $29,776,168 | $31,909,085 |
| Carbides, of silicon, whether or not chemically defined | $17,617,923 | $29,566,556 | $42,422,052 | $47,437,755 | $38,492,369 | $57,834,646 | $61,146,207 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $45,030,582 | $46,358,936 | $67,476,972 | $75,886,676 | $29,753,199 | $61,147,378 | $82,202,626 |
| Total | $76,379,496 | $94,433,640 | $127,809,382 | $147,594,392 | $90,507,832 | $148,758,192 | $175,257,918 |
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