|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $738 | $734 | $990 | $1,026 | $1,096 | | $2,820 |
| Alkali/alkaline-earth metals other than sodium & calcium | | $60 | $757 | $1,410 | $114 | | $113 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $1,441 | $773 | $1,054 | | | | |
| Mercury | $18,208 | $340 | $1,930 | $13,021 | $464 | $374 | $8,210 |
| Total | $20,387 | $1,907 | $4,731 | $15,457 | $1,674 | $374 | $11,143 |
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