|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $17,949 | $37,054 | $92,402 | $1,710 | $2,047 | $800 | $18,545 |
| Alkali/alkaline-earth metals other than sodium & calcium | $14,585 | $22,476 | $9,933 | | $22,437 | | $355 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $1,097 | $89,298 | | | $55 | | $320 |
| Mercury | | $3,052 | $1,824 | $22 | | $26,664 | |
| Total | $33,631 | $151,880 | $104,159 | $1,732 | $24,539 | $27,464 | $19,220 |
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