|
| Commodity | 2005 | 2007 | 2009 | 2010 | 2011 |
| Alkali/alkaline-earth metals other than sodium & calcium | $63 | $62 | | | |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $53,419 | | | | |
| Mercury | | $26,910 | $259,349 | $328,337 | $193,161 |
| Total | $53,482 | $26,972 | $259,349 | $328,337 | $193,161 |
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