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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron oxides & hydroxides | $936,850 | $534,234 | $289,459 | $591,077 | $846,986 | $1,312,460 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $127,519 | $36,073 | $234,182 | $139,009 | $98,359 | $118,684 |
| Total | $1,064,369 | $570,307 | $523,641 | $730,086 | $945,345 | $1,431,144 |
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