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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $4,596 | $5,238 | $36,223 | $33,823 | $6,574 | $69,486 | $37,612 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $6,535 | $7,576 | $21,607 | $12,702 | $5,719 | $1,183 | $67,426 |
| Total | $11,131 | $12,814 | $57,830 | $46,525 | $12,293 | $70,669 | $105,038 |
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