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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Iron oxides & hydroxides | $22,603 | $85,008 | $31,675 | $59,591 | $39,835 | $39,587 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $9,511 | | $1,397 | $1,404 | $10,245 | $2,813 |
| Total | $32,114 | $85,008 | $33,072 | $60,995 | $50,080 | $42,400 |
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