Year	% of relevant age group
1973	71.0796737670898
1974	71.4262466430664
1975	72.7270202636719
1976	73.6589431762695
1977	73.9385986328125
1978	75.051887512207
1979	75.1834487915039
1980	75.7511291503906
1981	75.6158905029297
1982	75.0363922119141
1983	75.0891189575195
1984	75.5891189575195
1985	76.2103424072266
1986	77.1451263427734
1987	78.5244903564453
1988	81.1001434326172
1989	82.736930847168
1990	84.5716323852539
1991	85.7620620727539
1992	86.1489181518555
1993	87.1637878417969
1994	85.71923828125
1995	85.2203216552734
1996	85.4391784667969
1997	85.7623596191406
1998	85.6321487426758
1999	85.5472030639648
2000	85.8019180297852
2001	85.9732513427734
2002	85.9349975585938
2003	85.7479476928711
2004	85.559196472168
2005	86.1501312255859
2006	88.3055114746094
2007	88.8252792358398
2008	88.1923980712891
2009	87.1220932006836
2010	86.7286605834961
2011	86.7650604248047
2012	86.3168182373047
2013	85.768180847168
2014	85.2954025268555
2015	84.685432434082
2016	84.6089782714844
2017	85.1133193969727
2018	84.6003799438477
2019	84.4358215332031
2020	84.455322265625
2021	85.4672622680664
2022	85.5300216674805