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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $1,766,818 | $4,017,772 | $8,478,211 | $8,400,378 | $7,259,277 | $8,754,152 | $6,752,189 |
| Alkali/alkaline-earth metals other than sodium & calcium | $7,604,033 | $8,166,895 | $8,623,937 | $9,301,562 | $7,772,961 | $13,096,283 | $10,684,283 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $84,018,728 | $148,688,122 | $240,723,889 | $165,948,179 | $77,951,006 | $170,222,205 | $714,800,017 |
| Mercury | $81,371 | $93,243 | $13,145 | $70,377 | $19,507 | $20,171 | $7,497 |
| Total | $93,470,950 | $160,966,032 | $257,839,182 | $183,720,496 | $93,002,751 | $192,092,811 | $732,243,986 |
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