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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $1,489,253 | $1,698,378 | $1,812,404 | $4,470,031 | $4,306,608 | $6,326,306 | $7,791,668 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | | | $126,973 | $67,400 | $146,058 | $91,025 | $105,784 |
| Total | $1,489,253 | $1,698,378 | $1,939,377 | $4,537,431 | $4,452,666 | $6,417,331 | $7,897,452 |
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