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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $2,247,919 | $2,505,451 | $3,055,733 | $3,637,596 | $2,006,892 | $2,745,395 | $3,049,821 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $26 | $21,438 | $118,136 | $1,772 | $241,128 | $80,411 | $22,463 |
| Total | $2,247,945 | $2,526,889 | $3,173,869 | $3,639,368 | $2,248,020 | $2,825,806 | $3,072,284 |
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