3228.0.55.001 - Population Estimates: Concepts, Sources and Methods, 2009  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 12/06/2009   
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4.9 A procedure is applied to the CD ERP to avoid the release of numbers which could potentially be the same as corresponding unconfidentialised usual residence Census counts. This procedure applies small and randomly allocated adjustments to the ERP at the age and sex level, while maintaining closeness to the unconfidentialised ERPs and ensuring that the net effect of these adjustments are minimised within the CD.

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