|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $97,335 | $10,149 | $43,162 | $155,957 | $82,206 | $4,379 | $18,458 |
| Alkali/alkaline-earth metals other than sodium & calcium | $126,508 | $76,141 | | $30,588 | $22,259 | $11,593 | $13,209 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $70,779 | $168,752 | | $1,609 | $224 | $10,951 | |
| Mercury | $1,864 | | | $61 | $170 | | $457 |
| Total | $296,486 | $255,042 | $43,162 | $188,215 | $104,859 | $26,923 | $32,124 |
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