|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | | $81 | $201 | $287 | $1,477 | $197 | $271 |
| Alkali/alkaline-earth metals other than sodium & calcium | | $107 | | $114 | $9,983 | $6,651 | $263 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | | | | $122 | |
| Mercury | $43,000 | $195 | $15,702 | $33,581 | $297 | $1,840 | $1,719 |
| Total | $43,000 | $383 | $15,903 | $33,982 | $11,757 | $8,810 | $2,253 |
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