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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbides, of calcium, whether or not chemically defined | $5,405,377 | $3,981,623 | $4,072,339 | $3,244,210 | $2,698,134 | $3,593,816 | $1,739,942 |
| Carbides, of silicon, whether or not chemically defined | $112,604,843 | $115,540,132 | $132,135,255 | $243,567,975 | $101,920,478 | $250,125,050 | $275,469,218 |
| Carbides other than of carbon/silicon, whether or not chemically defined | $98,444,744 | $130,633,047 | $110,124,701 | $119,933,517 | $38,323,596 | $126,145,916 | $198,188,829 |
| Total | $216,454,964 | $250,154,802 | $246,332,295 | $366,745,702 | $142,942,208 | $379,864,782 | $475,397,989 |
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