Year	% of relevant age group
1971	99.695930480957
1972	99.9399108886719
1973	99.621940612793
1974	98.9531784057617
1975	100.556411743164
1976	99.0573577880859
1977	98.7409210205078
1978	100.088569641113
1979	99.695556640625
1980	99.5511474609375
1981	99.6539993286133
1982	99.5873489379883
1984	99.7340774536133
1985	99.698371887207
1986	99.7297897338867
1987	99.6254196166992
1988	99.546760559082
1989	99.2428665161133
1990	99.6618576049805
1991	99.2802200317383
1992	99.2787322998047
1993	98.3845367431641
1998	99.8672485351562
1999	99.3636703491211
2000	99.0940017700195
2001	99.226188659668
2002	99.3726196289062
2003	98.6981887817383
2004	99.3245086669922
2005	99.4860534667969
2006	99.4883117675781
2007	99.4737014770508
2008	99.7972793579102
2009	100.274459838867
2010	99.7342681884766
2011	99.8384628295898
2012	99.6578826904297
2013	99.803108215332
2014	99.7250823974609
2015	99.5530090332031
2016	99.2072830200195
2017	99.4991607666016
2018	99.4756774902344
2019	99.3380279541016
2020	99.18359375
2021	99.2044982910156