|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | | | $57 | $1,880 | | | $31,332 |
| Alkali/alkaline-earth metals other than sodium & calcium | | $25 | $1,720 | $955 | | | |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | $48,725 | | | | $6,571 | |
| Mercury | $6,546 | | | $38,064 | $736,492 | $134,347 | $134,998 |
| Total | $6,546 | $48,750 | $1,777 | $40,899 | $736,492 | $140,918 | $166,330 |
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