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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $151,499 | $112,605 | $45,239 | $76,843 | $135,992 | $83,323 | $501,593 |
| Alkali/alkaline-earth metals other than sodium & calcium | $82,881 | $23,132 | $588,698 | $160,356 | $936,633 | $2,179,680 | $3,628,018 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $30,095 | $3,382 | $89,606 | $10,133 | $5,127 | $52,486 | $3,371 |
| Mercury | $1,362,400 | $1,460,191 | $2,116,717 | $2,914,405 | $4,134,649 | $8,392,485 | $28,279,980 |
| Total | $1,626,875 | $1,599,310 | $2,840,260 | $3,161,737 | $5,212,401 | $10,707,974 | $32,412,962 |
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