Year	% of relevant age group
1987	53.3138999938965
1988	53.8856391906738
1989	54.3286590576172
1990	54.4449005126953
1991	55.0101890563965
1992	56.5066184997559
1993	57.2505187988281
1994	56.9298515319824
1995	57.4425086975098
1996	57.9182510375977
1997	58.869930267334
1998	59.952320098877
1999	61.2977104187012
2000	62.684009552002
2001	64.4738922119141
2002	66.6747589111328
2003	68.3048400878906
2004	69.9940567016602
2005	71.4933319091797
2006	71.120246887207
2007	72.2996520996094
2008	72.8083801269531
2009	73.5287475585938
2010	74.6993789672852
2011	76.0053482055664
2012	76.0687026977539
2013	75.4279937744141
2014	75.2788314819336
2015	75.2192611694336
2016	76.4665069580078
2017	75.9801712036133
2018	76.1142120361328
2019	76.8951187133789
2020	78.5728912353516
2021	79.3056869506836
2022	79.0321273803711