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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $4,653 | $224 | $934 | $18,465 | $85,173 | $477 | $20,937 |
| Alkali/alkaline-earth metals other than sodium & calcium | $14 | | $2,772 | | | $122 | $90 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | | | $131 | | $318 |
| Mercury | $2,177 | $365 | $213 | | $3,263 | | $135 |
| Total | $6,844 | $589 | $3,919 | $18,465 | $88,567 | $599 | $21,480 |
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