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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron oxides & hydroxides | $16,958,082 | $22,183,716 | $23,676,018 | $26,400,462 | $23,117,235 | $24,501,535 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | | | | $32,417 | $48,821 | $172,350 |
| Total | $16,958,082 | $22,183,716 | $23,676,018 | $26,432,879 | $23,166,056 | $24,673,885 |
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