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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $13,580,309 | $15,796,317 | $16,615,069 | $19,437,298 | $18,004,218 | $20,735,814 | $20,459,118 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $1,824 | $1,400 | $10,980 | $40,622 | $54,813 | $1,807 | $20,811 |
| Total | $13,582,133 | $15,797,717 | $16,626,049 | $19,477,920 | $18,059,031 | $20,737,621 | $20,479,929 |
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