|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | | $363 | $184 | $737 | $245 | $325 | $214 |
| Alkali/alkaline-earth metals other than sodium & calcium | $61,208 | $35,862 | $2,241 | $291 | $625 | $19 | $2,887 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $1,397 | | $1,116 | $7,506 | $113,402 | | |
| Mercury | $14,707 | $11,994 | $11,194 | $9,214 | $20,944 | $6,904 | $167,133 |
| Total | $77,312 | $48,219 | $14,735 | $17,748 | $135,216 | $7,248 | $170,234 |
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