|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $112 | | $93 | $64 | $125 | $884 | $1,958 |
| Alkali/alkaline-earth metals other than sodium & calcium | $112 | $3,678 | $55 | | | $2,844 | $177 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | | $179 | $97 | $959 | $77,668 |
| Mercury | $211 | $514 | $298 | $815 | $31 | $1,468 | |
| Total | $435 | $4,192 | $446 | $1,058 | $253 | $6,155 | $79,803 |
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