|
| Commodity | 2006 | 2007 | 2008 | 2009 |
| Sodium | | $12,317 | | $109,191 |
| Alkali/alkaline-earth metals other than sodium & calcium | $920 | $531,079 | $249,816 | $533,221 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $12,650 | | | |
| Total | $13,570 | $543,396 | $249,816 | $642,412 |
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