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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $2,941 | $145 | $14,695 | $726 | $1,718 | $32,140 | $52,654 |
| Alkali/alkaline-earth metals other than sodium & calcium | $118,016 | $85,986 | $65,362 | $122,196 | $63,388 | $61,327 | $38,751 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $44,069 | $121,355 | $456,852 | $21,935 | $57,419 | $232,113 | $6,270,024 |
| Mercury | $70,043 | $156,015 | $688 | $6,850 | $3,214 | $13,422 | $219,228 |
| Total | $235,069 | $363,501 | $537,597 | $151,707 | $125,739 | $339,002 | $6,580,657 |
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