|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $9,615 | $8,823 | $4,259 | $27,703 | $1,035 | $66 | $10,193 |
| Alkali/alkaline-earth metals other than sodium & calcium | $7,089 | $5,896 | $409 | $2,873 | $1,912 | $2,522 | $36,827 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | | | $122 | | |
| Mercury | $133 | $36,137 | $13,488 | $19,404 | $170,109 | $1,181 | $1,787 |
| Total | $16,837 | $50,856 | $18,156 | $49,980 | $173,178 | $3,769 | $48,807 |
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