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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $62,474 | $56,790 | $72,401 | $71,233 | $46,111 | $68,794 | $77,459 |
| Alkali/alkaline-earth metals other than sodium & calcium | $48,012 | $22,315 | $48,511 | $37,139 | $465,844 | $5,158 | $10,056 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $4,265 | $2,499 | $10,827 | $8,945 | $17,107 | $9,256 | $11 |
| Mercury | $138,114 | $84,349 | $124,213 | $95,380 | $158,570 | $195,617 | $1,061,893 |
| Total | $252,865 | $165,953 | $255,952 | $212,697 | $687,632 | $278,825 | $1,149,419 |
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