Year	% of relevant age group
1973	68.6455230712891
1974	68.9045867919922
1975	70.0240173339844
1977	71.2113723754883
1978	72.0810928344727
1979	72.1504211425781
1980	72.5418930053711
1981	72.424690246582
1982	71.7609481811523
1983	71.8604888916016
1984	72.3570709228516
1985	73.0767974853516
1986	74.1368103027344
1987	75.5629501342773
1988	78.6176528930664
1989	79.2501983642578
1990	81.4824371337891
1991	82.4820785522461
1992	82.8437271118164
1993	84.1635513305664
1994	82.7789993286133
1995	82.3791122436523
1996	82.5473480224609
1997	82.889892578125
1998	82.4137268066406
1999	82.0141296386719
2000	82.4859466552734
2001	82.9338836669922
2002	82.9150772094727
2003	82.6785202026367
2004	82.5010375976562
2005	83.2445220947266
2006	85.5807037353516
2007	86.3447494506836
2008	85.7203063964844
2009	84.8373184204102
2010	84.6263732910156
2011	84.9805603027344
2012	84.9389114379883
2013	84.541877746582
2014	84.1945190429688
2015	83.6559295654297
2016	83.6965713500977
2017	84.3215866088867
2018	83.8532409667969
2019	83.8825531005859
2020	83.9094390869141
2021	85.2172927856445
2022	85.259651184082