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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $22,788 | $141 | $152 | $18,199 | $11,915 | $18,719 | $48,538 |
| Alkali/alkaline-earth metals other than sodium & calcium | $745 | $399 | $1,580 | $204 | | | $3,967 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $664 | | $28,958 | $32,437 | $14,011 | $7,279 | $466 |
| Mercury | $5,982 | $802 | $1,184 | $1,644 | $5,966 | $41,952 | $954 |
| Total | $30,179 | $1,342 | $31,874 | $52,484 | $31,892 | $67,950 | $53,925 |
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