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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $1,797,643 | $2,458,928 | $3,641,899 | $4,301,514 | $2,571,884 | $3,394,633 | $4,308,021 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $12,797 | $51,838 | $124,282 | $113,610 | $64,743 | $64,725 | $63,737 |
| Total | $1,810,440 | $2,510,766 | $3,766,181 | $4,415,124 | $2,636,627 | $3,459,358 | $4,371,758 |
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