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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron oxides & hydroxides | $138,327 | $253,036 | $277,912 | $299,497 | $301,711 | $321,035 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $45,338 | $26,801 | $17,884 | $625 | $13,125 | $22,539 |
| Total | $183,665 | $279,837 | $295,796 | $300,122 | $314,836 | $343,574 |
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