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| Commodity | 2008 | 2009 | 2010 | 2011 |
| Natural calcium phosphates, nat. aluminium calcium phosphates & phosphatic ... | $1,699,919 | $756,953 | $1,697,011 | $6,244,105 |
| Natural calcium phosphates, nat. aluminium calcium phosphates & phosphatic ... | $7,640,121 | $2,213,748 | $17,948,953 | $1,200,986 |
| Total | $9,340,040 | $2,970,701 | $19,645,964 | $7,445,091 |
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