|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $322 | $2,689 | $2,914 | | $95,043 | $12,406 | $7,000 |
| Alkali/alkaline-earth metals other than sodium & calcium | $472 | $3,317 | $458,155 | $53 | $27,158 | $700 | |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | $9,930 | $1,631 | $1,849 | $1,583 | |
| Mercury | $43 | $115 | $52 | $716 | $90 | $93 | |
| Total | $837 | $6,121 | $471,051 | $2,400 | $124,140 | $14,782 | $7,000 |
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