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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $55,382,311 | $54,329,369 | $51,855,099 | $47,132,286 | $37,877,617 | $57,730,298 | $74,561,209 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $85,088 | $222,648 | $266,083 | $252,556 | $1,292,082 | $1,666,621 | $1,758,795 |
| Total | $55,467,399 | $54,552,017 | $52,121,182 | $47,384,842 | $39,169,699 | $59,396,919 | $76,320,004 |
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