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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural calcium phosphates, nat. aluminium calcium phosphates & phosphatic ... | $32,000,880 | $25,026,172 | $10,862,269 | $22,087,329 | $3,107,741 | $10,546,644 | $16,554,852 |
| Natural calcium phosphates, nat. aluminium calcium phosphates & phosphatic ... | $2,366,164 | $2,188,780 | $6,868,197 | $34,447,873 | $7,289,356 | $14,581,606 | $20,152,738 |
| Total | $34,367,044 | $27,214,952 | $17,730,466 | $56,535,202 | $10,397,097 | $25,128,250 | $36,707,590 |
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