Year	% of relevant age group
1970	24.0945205688477
1971	26.2150707244873
1972	27.5519695281982
1973	28.2434501647949
1974	30.7625694274902
1975	32.3515510559082
1984	43.0908012390137
1985	43.5271110534668
1986	44.8226509094238
1987	45.5114517211914
1988	46.6675491333008
1989	47.8711814880371
1990	48.3617515563965
1991	48.9223289489746
1992	49.6885681152344
1993	50.0788803100586
1994	51.2068290710449
1995	52.117130279541
1996	53.5315284729004
1997	55.178539276123
1998	55.9211196899414
1999	56.5060005187988
2000	57.3644485473633
2001	57.9884300231934
2002	59.4853210449219
2003	60.2798881530762
2004	61.1382484436035
2005	62.4940490722656
2006	62.8459701538086
2007	63.2328605651855
2008	64.0154266357422
2009	65.6206130981445
2010	66.4245071411133
2011	66.3891830444336
2012	65.9716186523438
2013	65.7254180908203
2014	66.0225677490234
2015	68.1980590820312
2016	69.3595886230469
2017	69.4540328979492
2018	68.877571105957
2019	68.8662109375
2020	68.8325500488281
2021	70.9393310546875
2022	70.4629287719727