|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $5,471 | $1,009 | | $8,803 | | | $5,044 |
| Alkali/alkaline-earth metals other than sodium & calcium | | $186 | $10,787 | $5,268 | $1,185 | $4,385 | $285 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | | $106 | | | |
| Mercury | | $48 | | $95 | | | |
| Total | $5,471 | $1,243 | $10,787 | $14,272 | $1,185 | $4,385 | $5,329 |
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