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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $6,462 | $5,710 | $20,004 | $36,348 | $5,923 | $18,197 | $40,103 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $25,533 | $64,298 | $27,728 | $34,823 | $30,373 | | $6,719 |
| Total | $31,995 | $70,008 | $47,732 | $71,171 | $36,296 | $18,197 | $46,822 |
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