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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Natural calcium phosphates, nat. aluminium calcium phosphates & phosphatic ... | $6,228,287 | $6,271,657 | $11,773,347 | $35,782,942 | $2,155,711 | $18,551,155 |
| Natural calcium phosphates, nat. aluminium calcium phosphates & phosphatic ... | $98,250 | $209,809 | $126,300 | $85,468 | $333,473 | $502,673 |
| Total | $6,326,537 | $6,481,466 | $11,899,647 | $35,868,410 | $2,489,184 | $19,053,828 |
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