Year	% of relevant age group
1970	58.6706504821777
1971	58.5025596618652
1972	58.2594718933105
1973	59.3256683349609
1974	59.5226402282715
1975	60.5716896057129
1976	60.9213409423828
1977	63.3985290527344
1978	67.1304779052734
1979	68.9886169433594
1980	70.9999313354492
1981	71.8148803710938
1982	72.1632308959961
1983	70.7282485961914
1984	71.3913116455078
1985	73.9746398925781
1986	73.7459869384766
1987	75.4856796264648
1988	76.7755126953125
1989	77.7254486083984
1990	78.6649475097656
1991	80.4658584594727
1992	78.1809997558594
1993	76.517463684082
1994	76.2954406738281
1995	75.9231872558594
1996	75.1232070922852
1997	75.1912078857422
1998	75.2938613891602
1999	75.374870300293
2000	76.2057113647461
2001	74.4421234130859
2002	74.5594329833984
2003	77.5854415893555
2004	80.4908828735352
2005	78.9531402587891
2006	80.2336578369141
2007	81.4355392456055
2008	81.9644927978516
2009	85.7143402099609
2010	84.1277694702148
2011	84.0326995849609
2012	83.1330871582031
2013	81.8703231811523
2014	79.0626983642578
2015	82.5613632202148
2016	80.9662628173828
2017	79.452751159668
2018	77.0083923339844
2019	77.0230865478516
2020	76.3593978881836
2021	77.4606628417969