|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $1,289,000 | $1,008,000 | $245,000 | $203,000 | $52,000 | $141,000 | $96,000 |
| Alkali/alkaline-earth metals other than sodium & calcium | $223,000 | $317,000 | $265,000 | $270,000 | $379,000 | $301,000 | $395,000 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $148,000 | $181,000 | $107,000 | $52,000 | $40,000 | $43,000 | $53,000 |
| Mercury | $129,000 | $75,000 | $82,000 | $111,000 | $125,000 | $180,000 | $186,000 |
| Total | $1,789,000 | $1,581,000 | $699,000 | $636,000 | $596,000 | $665,000 | $730,000 |
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