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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sodium | $1,486,206 | $1,635,692 | $1,576,130 | $1,860,177 | $1,387,064 | $2,041,569 | $2,154,801 |
| Alkali/alkaline-earth metals other than sodium & calcium | $3,188,455 | $2,713,238 | $3,379,696 | $2,133,968 | $1,257,675 | $1,385,111 | $2,398,612 |
| Rare-earth metals, scandium & yttrium, whether or not intermixed/interalloy ... | $3,296,380 | $513,336 | $899,303 | $1,106,149 | $557,821 | $795,748 | $1,868,065 |
| Mercury | $196,637 | $444,865 | $240,932 | $452,574 | $171,036 | $276,718 | $95,698 |
| Total | $8,167,678 | $5,307,131 | $6,096,061 | $5,552,868 | $3,373,596 | $4,499,146 | $6,517,176 |
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