|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Sodium | $1,550 | $1,217 | $94 | $330 | $836 | $36 |
| Alkali/alkaline-earth metals other than sodium & calcium | $384 | | $2,202 | $161 | $28,181 | $182 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | | | | $834 | | |
| Mercury | | | $151 | | | |
| Total | $1,934 | $1,217 | $2,447 | $1,325 | $29,017 | $218 |
|
|
