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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sodium | $104,269 | $57,262 | $144,977 | $201,484 | $391,545 | $167,878 |
| Alkali/alkaline-earth metals other than sodium & calcium | $430,560 | $442,857 | $271,931 | $293,344 | $227,245 | $345,699 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $166,052 | $194,918 | $317,505 | $1,032,837 | $382,642 | $1,661,467 |
| Mercury | $4,704,119 | $4,490,637 | $5,300,486 | $3,273,999 | $3,043,777 | $4,465,618 |
| Total | $5,405,000 | $5,185,674 | $6,034,899 | $4,801,664 | $4,045,209 | $6,640,662 |
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