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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $12,361 | $3,390 | $10,734 | $7,701 | $17,316 | $12,256 | $7,000 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $15,070 | $22,420 | $3,392 | $1,074 | $10,665 | $5,001 | $36,000 |
| Total | $27,431 | $25,810 | $14,126 | $8,775 | $27,981 | $17,257 | $43,000 |
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