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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $2,530,064 | $2,633,538 | $2,236,171 | $3,256,125 | $2,799,248 | $3,267,937 | $5,692,525 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $515,978 | $437,863 | $461,591 | $2,021,652 | $1,074,287 | $1,125,582 | $1,290,406 |
| Total | $3,046,042 | $3,071,401 | $2,697,762 | $5,277,777 | $3,873,535 | $4,393,519 | $6,982,931 |
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