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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $16,027,919 | $12,924,224 | $15,675,498 | $17,535,073 | $18,893,038 | $18,849,345 | $25,559,318 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $19,416 | $15,776 | $19,275 | | $24,619 | $17,433 | $26,064 |
| Total | $16,047,335 | $12,940,000 | $15,694,773 | $17,535,073 | $18,917,657 | $18,866,778 | $25,585,382 |
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