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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $2,662,511 | $3,133,601 | $4,202,791 | $5,753,811 | $3,302,950 | $3,109,875 | $2,835,030 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $16,242 | $46,775 | $49,333 | $3,305 | | $11,496 | $18,307 |
| Total | $2,678,753 | $3,180,376 | $4,252,124 | $5,757,116 | $3,302,950 | $3,121,371 | $2,853,337 |
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