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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $13,464,013 | $15,159,474 | $18,499,708 | $19,519,203 | $16,742,199 | $18,934,170 | $22,298,531 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $281,014 | $456,378 | $435,912 | $914,506 | $733,963 | $948,500 | $1,687,720 |
| Total | $13,745,027 | $15,615,852 | $18,935,620 | $20,433,709 | $17,476,162 | $19,882,670 | $23,986,251 |
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