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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | | $13,180 | | $2,504 | $76,366 | | $139,849 |
| Alkali/alkaline-earth metals other than sodium & calcium | $111,188 | $1,442 | $9,820 | $2,846 | $7,427 | $27,263 | $17,998 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $6,985 | | | | | | |
| Mercury | | $12,519 | $41,175 | $107,350 | $91,000 | $116,486 | $59,702 |
| Total | $118,173 | $27,141 | $50,995 | $112,700 | $174,793 | $143,749 | $217,549 |
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