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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $1,397,414 | $1,495,372 | $1,493,200 | $2,293,542 | $1,572,900 | $4,114,004 | $4,676,980 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | | $7,429 | $3,390 | $210 | | $10,647 | $84,316 |
| Total | $1,397,414 | $1,502,801 | $1,496,590 | $2,293,752 | $1,572,900 | $4,124,651 | $4,761,296 |
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