|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium | $2,613 | $3,218 | $18,010 | $2,549 | $8,279 | $82,865 |
| Alkali/alkaline-earth metals other than sodium & calcium | $2,679 | $11,528 | $43,284 | $1,567 | $83,820 | $58,510 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $4,164 | $70 | | | | |
| Mercury | | $762 | $5,175 | | | |
| Total | $9,456 | $15,578 | $66,469 | $4,116 | $92,099 | $141,375 |
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