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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $13,639,748 | $16,160,832 | $22,964,227 | $30,118,365 | $28,202,374 | $25,351,508 | $37,264,735 |
| Carbides, of silicon, whether or not chemically defined | $1,070,131 | $1,884,374 | $4,594,900 | $8,808,113 | $7,639,935 | $21,986,294 | $38,283,793 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $141,285,774 | $26,997,640 | $7,831,594 | $5,022,612 | $8,543,464 | $53,101,881 | $63,946,322 |
| Total | $155,995,653 | $45,042,846 | $35,390,721 | $43,949,090 | $44,385,773 | $100,439,683 | $139,494,850 |
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