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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $5,078,196 | $8,515,547 | $7,563,747 | $11,854,197 | $11,822,643 | $1,688,301 | $35,333,477 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $398,616 | $2,965 | $183,975 | $410,977 | $85,753 | $324,862 | $1,689 |
| Total | $5,476,812 | $8,518,512 | $7,747,722 | $12,265,174 | $11,908,396 | $2,013,163 | $35,335,166 |
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