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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $5,682,429 | $5,783,863 | $7,573,533 | $10,853,343 | $7,526,544 | $11,510,594 | $13,841,854 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $69,068 | $15,218 | $2,393 | $92,675 | $54,290 | $189,953 | $121,760 |
| Total | $5,751,497 | $5,799,081 | $7,575,926 | $10,946,018 | $7,580,834 | $11,700,547 | $13,963,614 |
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