26-40  Public Expenditure by Policy Area Group|26-40PublicExpenditurebyPolicyAreaGroup|(HKD100million)|Item|2011/2012|2012/2013|2013/2014|2014/2015|2015/2016||CommunityandExternalAffairs|260.33|132.28|277.18|126.18|136.35|Economic|473.02|332.98|372.98|205.29|196.96|Education|678.91|766|763.92|737.24|791.22|EnvironmentandFood|177.33|189.11|237.62|215.21|219.82|Health|452.97|595.72|676.02|575.08|607.74|Housing|189.18|205.01|212.68|243.49|320.92|Infrastructure|525.45|616.95|737.23|741.26|795.33|Security|315.22|339.37|352.93|389.06|430|SocialWelfare|433.46|458.94|553.52|580.91|650.01|Support|350.54|365.43|389.38|427.34|473.15|Total|3856.41|4001.79|4573.46|4241.06|4621.5||Notes:Figuresfor2015/2016arerevisedestimates.|Publicexpenditurecomprisesgovernmentexpenditure,andexpenditurebyotherpublicbodies.Itdoesnotincludeexpenditurebythose|organisations,includingstatutoryorganisations,inwhichtheGovernmenthasonlyanequityposition,suchastheAirportAuthority|andtheMTRCorporationLimited.