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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $12,191,871 | $12,305,976 | $6,876,785 | $6,910,491 | $7,240,541 | $9,251,975 | $10,065,067 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $33,676 | $37,369 | $37,246 | $86,073 | $24,690 | $45,002 | $396,155 |
| Total | $12,225,547 | $12,343,345 | $6,914,031 | $6,996,564 | $7,265,231 | $9,296,977 | $10,461,222 |
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