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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $7,477,776 | $9,070,583 | $14,985,786 | $16,208,520 | $8,716,490 | $11,953,525 | $11,819,367 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $512,489 | $457,877 | $462,316 | $303,615 | $297,960 | $157,828 | $57,456 |
| Total | $7,990,265 | $9,528,460 | $15,448,102 | $16,512,135 | $9,014,450 | $12,111,353 | $11,876,823 |
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