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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $2,790,900 | $1,196,700 | $1,354,800 | $2,151,400 | $1,560,700 | $2,425,900 | $2,226,100 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $40,100 | $24,900 | $36,100 | $47,700 | $51,000 | $33,900 | $4,600 |
| Total | $2,831,000 | $1,221,600 | $1,390,900 | $2,199,100 | $1,611,700 | $2,459,800 | $2,230,700 |
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