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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $26,556,000 | $31,331,000 | $41,430,000 | $45,225,000 | $35,056,000 | $42,253,778 | $53,796,276 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $1,208,000 | $529,000 | $618,000 | $763,000 | $549,000 | $1,029,417 | $948,235 |
| Total | $27,764,000 | $31,860,000 | $42,048,000 | $45,988,000 | $35,605,000 | $43,283,195 | $54,744,511 |
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