Year	% of relevant age group
1970	95.6762771606445
1971	95.7688522338867
1972	95.7675323486328
1973	96.2802581787109
1974	96.1757888793945
1975	96.2681198120117
1976	96.4081573486328
1977	96.1815719604492
1978	98.4912719726562
1979	94.6377487182617
1980	96.4824523925781
1981	96.4627304077148
1982	96.0637512207031
1983	96.0344924926758
1984	96.8687896728516
1985	96.7654876708984
1986	97.203857421875
1987	97.4711990356445
1988	97.2596588134766
1989	96.7881317138672
1990	97.1819076538086
1991	96.617790222168
1992	97.1758575439453
1993	97.3361206054688
1994	97.8222274780273
1995	97.9755172729492
1996	98.0341873168945
1997	98.0505981445312
1998	98.1039886474609
1999	98.2899780273438
2000	97.9205017089844
2001	98.730110168457
2002	98.2465286254883
2003	98.3079833984375
2004	98.5620880126953
2005	98.4201812744141
2006	98.3193817138672
2007	98.5446166992188
2008	98.5357513427734
2009	98.64111328125
2010	98.5065231323242
2011	98.3018798828125
2012	98.3500671386719
2013	98.3646087646484
2014	98.0292434692383
2015	98.3553924560547
2016	98.130989074707
2017	97.9674072265625
2018	97.8742904663086
2019	98.2613983154297
2020	98.3074035644531
2021	98.5599899291992
2022	98.4904174804688