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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $718,623 | $98,809 | $68,764 | $358,358 | $91,474 | $625,034 | $893,992 |
| Alkali/alkaline-earth metals other than sodium & calcium | $656,707 | $437,632 | $394,228 | $390,081 | $200,470 | $438,795 | $2,791,206 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $1,073,688 | $2,064,774 | $2,279,353 | $3,232,571 | $3,907,703 | $4,755,977 | $6,648,632 |
| Mercury | $152,697 | $690,033 | $138,204 | $2,003,228 | $177,370 | $262,662 | $161,994 |
| Total | $2,601,715 | $3,291,248 | $2,880,549 | $5,984,238 | $4,377,017 | $6,082,468 | $10,495,824 |
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