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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Chromium trioxide | $1,593 | $491 | $1,963 | $4,558 | $87,207 | $13,137 | $2,436 |
| Chromium oxides (excl. chromium trioxide) & hydroxides | $2,320 | $7,678 | $25,917 | $18,055 | $18,793 | $15,971 | $4,816 |
| Total | $3,913 | $8,169 | $27,880 | $22,613 | $106,000 | $29,108 | $7,252 |
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