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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium | $167 | $50 | | | $32 | $477,776 |
| Alkali/alkaline-earth metals other than sodium & calcium | $3,256 | $35 | | $724 | $150 | $3,616 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | | | $3,297 | |
| Mercury | $1,136 | $839 | $2,282 | $38,173 | $38 | |
| Total | $4,559 | $924 | $2,282 | $38,897 | $3,517 | $481,392 |
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