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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $6,664,105 | $7,455,952 | $8,044,376 | $8,313,686 | $5,675,528 | $9,711,005 | $10,156,679 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $30,940 | $35,355 | $71,215 | $60,307 | $21,906 | $56,584 | $61,037 |
| Total | $6,695,045 | $7,491,307 | $8,115,591 | $8,373,993 | $5,697,434 | $9,767,589 | $10,217,716 |
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