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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $6,727,487 | $7,325,524 | $7,273,663 | $7,150,267 | $6,213,660 | $6,489,020 | $6,797,768 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | | | $20,900 | $39,884 | $21,323 | $9,544 | $5,130 |
| Total | $6,727,487 | $7,325,524 | $7,294,563 | $7,190,151 | $6,234,983 | $6,498,564 | $6,802,898 |
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