|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $5,663 | $32,751 | $28,161 | $90,681 | $217,455 | $243,563 | $160,022 |
| Alkali/alkaline-earth metals other than sodium & calcium | $2,596 | $20 | $7,891 | $26,249 | $67,537 | $224 | $133,606 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | $160,890 | | | | $1,977,774 | $1,500 |
| Mercury | $5,660 | $13,122 | $80,794 | $100,211 | $53,278 | $46,583 | $22,239 |
| Total | $13,919 | $206,783 | $116,846 | $217,141 | $338,270 | $2,268,144 | $317,367 |
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