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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Chromium trioxide | $1,939 | | | $156 | $10,866 | $89,614 | $746 |
| Chromium oxides (excl. chromium trioxide) & hydroxides | $197,071 | $54,403 | $23,697 | $26,072 | $34,972 | $59,960 | $52,660 |
| Total | $199,010 | $54,403 | $23,697 | $26,228 | $45,838 | $149,574 | $53,406 |
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