Year	% of relevant age group
1970	29.4553394317627
1971	29.4540691375732
1972	30.3192901611328
1973	30.7044506072998
1974	30.6513004302979
1975	31.6637992858887
1976	32.365650177002
1977	33.48583984375
1978	36.010570526123
1979	36.803279876709
1980	37.6601104736328
1981	38.269229888916
1982	38.7628211975098
1983	39.7133483886719
1984	41.0957794189453
1985	42.9214706420898
1986	44.8592109680176
1987	45.587589263916
1988	47.8883895874023
1989	49.4689598083496
1990	50.8633117675781
1991	51.221321105957
1992	52.8881797790527
1993	54.4171485900879
1994	56.7715301513672
1995	57.9198112487793
1996	58.8908805847168
1997	59.2878189086914
1998	60.3782691955566
1999	61.4425086975098
2000	62.6471214294434
2001	64.1340637207031
2002	66.1593170166016
2003	68.1343612670898
2004	68.435302734375
2005	69.1357879638672
2006	67.4811019897461
2007	67.6753082275391
2008	67.6010131835938
2009	69.5446319580078
2010	69.2952575683594
2011	71.0689163208008
2012	75.0122528076172
2013	71.5180511474609
2014	70.3842697143555
2015	70.3484878540039
2016	70.3088302612305
2017	69.8215637207031
2018	70.2950897216797
2019	71.1070785522461
2020	71.6090469360352
2021	74.2342910766602
2022	73.3889770507812