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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Iron oxides & hydroxides | $1,061,676 | $1,494,614 | $1,859,476 | $2,329,850 | $1,753,187 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $36,119 | $16,049 | $39,583 | $95,021 | $113,031 |
| Total | $1,097,795 | $1,510,663 | $1,899,059 | $2,424,871 | $1,866,218 |
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