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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 |
| Iron oxides & hydroxides | $3,122,148 | $5,274,084 | $1,652,448 | $5,205,335 | $7,900,604 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $34,408 | | $1,816 | $30,208 | $554,544 |
| Total | $3,156,556 | $5,274,084 | $1,654,264 | $5,235,543 | $8,455,148 |
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