|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $5,455 | | | | $34 | $33 | $766 |
| Alkali/alkaline-earth metals other than sodium & calcium | $196 | $1,833 | $591 | $192 | $227 | $49 | |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | $56 | $51 | | $579 | $236 | $110 |
| Mercury | $259 | $2,083 | $1,043 | $4,605 | $5,903 | $18,011 | $29,998 |
| Total | $5,910 | $3,972 | $1,685 | $4,797 | $6,743 | $18,329 | $30,874 |
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