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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $8,249,539 | $10,272,914 | $15,463,488 | $18,103,435 | $15,169,818 | $15,579,408 | $18,317,008 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $18,456 | $26,271 | $2,523 | $94,563 | $515 | $1,782 | $2,078 |
| Total | $8,267,995 | $10,299,185 | $15,466,011 | $18,197,998 | $15,170,333 | $15,581,190 | $18,319,086 |
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