|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $129,945 | $133,041 | $210,954 | $233,285 | $243,364 | $113,333 | $343,241 |
| Carbides, of silicon, whether or not chemically defined | $11,632 | $4,933 | $13,315 | $5,147 | $5,819 | $11,935 | $12,741 |
| Carbides other than of carbon/silicon, whether or not chemically defined | | $13,652 | $815 | $1,323 | | $92 | |
| Total | $141,577 | $151,626 | $225,084 | $239,755 | $249,183 | $125,360 | $355,982 |
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