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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $1,766,407 | $1,906,071 | $2,200,799 | $2,397,729 | $2,006,232 | $2,166,356 | $3,147,451 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $4,708 | $180 | $517 | $659 | $26,423 | $8,439 | $2,510 |
| Total | $1,771,115 | $1,906,251 | $2,201,316 | $2,398,388 | $2,032,655 | $2,174,795 | $3,149,961 |
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