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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $3,488,367 | $4,015,670 | $4,363,736 | $4,802,650 | $3,670,556 | $4,328,451 | $5,147,763 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $1,109 | $1,083 | $376,010 | $538,223 | $307,496 | $265,546 | $370,690 |
| Total | $3,489,476 | $4,016,753 | $4,739,746 | $5,340,873 | $3,978,052 | $4,593,997 | $5,518,453 |
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