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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural calcium phosphates, nat. aluminium calcium phosphates & phosphatic ... | $227,653 | $96,632 | $65,465 | $117,227 | $36,168 | $112,317 | $153,742 |
| Natural calcium phosphates, nat. aluminium calcium phosphates & phosphatic ... | $149,773 | $424,877 | $561,959 | $1,028,881 | $515,300 | $856,940 | $418,806 |
| Total | $377,426 | $521,509 | $627,424 | $1,146,108 | $551,468 | $969,257 | $572,548 |
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