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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | | | $194,821 | $8,024 | $195,505 | $404,083 | $166,992 |
| Carbides, of silicon, whether or not chemically defined | $628,223 | $2,913,884 | $3,637,499 | $3,663,132 | $601,212 | $1,172,692 | $3,387,426 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $21,667,025 | $35,237,339 | $25,681,419 | $28,672,818 | $5,721,006 | $18,288,310 | $53,763,741 |
| Total | $22,295,248 | $38,151,223 | $29,513,739 | $32,343,974 | $6,517,723 | $19,865,085 | $57,318,159 |
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