4517.0 - Prisoners in Australia, 2007 / Australian Bureau of Statistics, 13 December 2007
http://www.abs.gov.au/AUSSTATS/abs@.nsf/mf/4517.0?OpenDocument "This publication presents national statistics on prisoners who were in custody on 30 June 2007. These statistics describe the characteristics of prisoners, their sentence length, the most serious offence/charge for which offenders are imprisoned, and provide a basis for measuring change over time."