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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $19,828 | $1,765 | $2,225 | $1,078 | $1,709 | $2,784 | $2,313 |
| Alkali/alkaline-earth metals other than sodium & calcium | $481,369 | $22,815 | $4,005 | $1,078 | $8,675 | $139 | $3,084 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | $6,247 | | | $920 | $2,784 | |
| Mercury | $20,498 | $4,346 | $4,895 | $7,083 | $3,023 | $4,176 | $4,009 |
| Total | $521,695 | $35,173 | $11,125 | $9,239 | $14,327 | $9,883 | $9,406 |
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