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| Commodity | 2005 | 2006 | 2007 | 2010 |
| Iron oxides & hydroxides | $2,256,518 | $3,785,471 | $11,445,013 | $8,801,611 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $199,519 | $225,772 | $173,412 | $1,864,002 |
| Total | $2,456,037 | $4,011,243 | $11,618,425 | $10,665,613 |
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