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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $55,900 | $47,722 | $58,551 | $51,596 | $24,608 | $57,245 | $62,988 |
| Alkali/alkaline-earth metals other than sodium & calcium | $21,942 | $4,993 | $9,957 | $10,135 | $8,620 | $38,772 | $85,918 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $21,628 | $15,037 | $143,288 | $197,134 | $160,852 | $611,054 | $971,406 |
| Mercury | $52,767 | $70,382 | $4,370 | $93,820 | $61,813 | $16,328 | $397,876 |
| Total | $152,237 | $138,134 | $216,166 | $352,685 | $255,893 | $723,399 | $1,518,188 |
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