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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $10,157,780 | $10,745,807 | $10,277,797 | $8,887,840 | $6,765,010 | $8,024,247 | $7,680,200 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $232,452 | $493,558 | $145,751 | $66,181 | $73,140 | $35,266 | $12,779 |
| Total | $10,390,232 | $11,239,365 | $10,423,548 | $8,954,021 | $6,838,150 | $8,059,513 | $7,692,979 |
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