|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | | | | | $94,000 | $214,000 | |
| Alkali/alkaline-earth metals other than sodium & calcium | $14,000 | $16,000 | $21,000 | $14,000 | $178,000 | $27,000 | $37,000 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | | | | | $421,000 |
| Mercury | $343,000 | $155,000 | $124,000 | | | $6,000 | |
| Total | $357,000 | $171,000 | $145,000 | $14,000 | $272,000 | $247,000 | $458,000 |
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