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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $1,865,881 | $18,640 | $26,909 | $24,069 | $634,069 | $1,139,791 | $2,314,557 |
| Alkali/alkaline-earth metals other than sodium & calcium | $4,758,580 | $3,160,759 | $4,416,723 | $5,972,478 | $5,670,867 | $8,702,599 | $4,288,837 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $1,291,881 | $422,168 | $17,452,705 | $2,354,246 | $666,015 | $714,434 | $855,365 |
| Mercury | $59,730 | | $1,752,688 | $2,250,720 | | | $20,430 |
| Total | $7,976,072 | $3,601,567 | $23,649,025 | $10,601,513 | $6,970,951 | $10,556,824 | $7,479,189 |
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