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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $4,626,378 | $5,975,144 | $7,709,289 | $9,152,383 | $6,856,474 | $6,926,317 | $6,641,469 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $89,077 | | | | $20,021 | $428,382 | $450,031 |
| Total | $4,715,455 | $5,975,144 | $7,709,289 | $9,152,383 | $6,876,495 | $7,354,699 | $7,091,500 |
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