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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $5,977,657 | $7,006,421 | $8,071,591 | $8,999,543 | $8,606,767 | $11,222,890 | $12,571,112 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $1,787 | $16,381 | $91,658 | $58,595 | | | |
| Total | $5,979,444 | $7,022,802 | $8,163,249 | $9,058,138 | $8,606,767 | $11,222,890 | $12,571,112 |
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