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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $36,392,233 | $35,012,935 | $40,807,907 | $34,386,643 | $33,287,187 | $39,733,781 | $57,957,123 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $31,349 | $6,158 | $395,244 | $9,626 | $54,208 | $608,498 | $800,134 |
| Total | $36,423,582 | $35,019,093 | $41,203,151 | $34,396,269 | $33,341,395 | $40,342,279 | $58,757,257 |
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