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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Natural sodium borates & concs. thereof (whether or not calcined) | | | $3,120 | $848 | $3,645 | |
| Natural borates & concs. thereof (excl. sodium borates), whether or not cal ... | $5,008 | $5,319 | | $6,638 | $2,001 | $1,323 |
| Total | $5,008 | $5,319 | $3,120 | $7,486 | $5,646 | $1,323 |
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