2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $20,000 $40,000 $60,000 $80,000
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $41,815 | $21,881 | $26,915 | $7,296 | $65,353 | $3,180 | $28,823 |
| Carbides, of silicon, whether or not chemically defined | $1,144 | | $487 | | | $1,432 | |
| Carbides other than of carbon/silicon, whether or not chemically defined | | | | | $196 | | |
| Total | $42,959 | $21,881 | $27,402 | $7,296 | $65,549 | $4,612 | $28,823 |
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