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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron oxides & hydroxides | $5,734,746 | $6,427,304 | $6,920,101 | $7,289,609 | $6,183,865 | $9,169,969 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $215 | $1,508 | $199 | $376 | $466 | $861 |
| Total | $5,734,961 | $6,428,812 | $6,920,300 | $7,289,985 | $6,184,331 | $9,170,830 |
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