Year	% of relevant age group
1970	25.7068405151367
1971	28.0145702362061
1972	29.3369007110596
1973	30.198299407959
1974	33.1375617980957
1975	34.8470916748047
1984	46.3694381713867
1985	46.772289276123
1987	48.9431915283203
1988	50.1722793579102
1989	51.3767585754395
1990	51.9576416015625
1991	52.5970497131348
1992	53.4144287109375
1993	53.7684211730957
1994	54.8626899719238
1995	55.9033508300781
1996	57.1130905151367
1997	58.5316581726074
1998	59.5019607543945
1999	60.1147994995117
2000	61.1183815002441
2001	61.8182411193848
2002	63.5560188293457
2003	64.4743881225586
2004	65.5604934692383
2005	67.4533004760742
2006	67.8880081176758
2007	68.5695190429688
2008	69.5120697021484
2009	70.4003067016602
2010	71.3509979248047
2011	71.2242431640625
2012	70.5262222290039
2013	70.7214889526367
2014	70.5848770141602
2015	72.7988204956055
2016	74.3879013061523
2017	74.5730133056641
2018	73.542106628418
2019	73.7126617431641
2020	73.7895812988281
2021	74.6612777709961
2022	74.6009292602539