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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Iron oxides & hydroxides | $12,430,037 | $12,064,823 | $12,409,271 | $11,146,809 | $8,282,195 | $10,286,949 | $13,923,609 |
| Earth colours cont. 70%/more by wt. of combined iron evaluated as Fe2O3 | $4,099 | $34,728 | $68,133 | $45,123 | $8 | $9,447 | |
| Total | $12,434,136 | $12,099,551 | $12,477,404 | $11,191,932 | $8,282,203 | $10,296,396 | $13,923,609 |
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