Year	% of relevant age group
1970	76.1522598266602
1971	74.0655670166016
1972	73.1049194335938
1973	72.9833679199219
1974	77.6582107543945
1975	80.4361114501953
1976	79.5234909057617
1977	79.9201889038086
1978	80.1801376342773
1979	80.1436920166016
1980	82.3060302734375
1981	82.9552917480469
1982	83.828727722168
1983	83.9405517578125
1984	84.7495880126953
1985	85.0956802368164
1986	85.0801696777344
1987	84.4544525146484
1988	84.7220230102539
1989	84.1451721191406
1990	83.3913269042969
1991	82.5161895751953
1992	81.4067001342773
1993	81.5303497314453
1994	80.7604370117188
1995	82.6146087646484
1996	81.6694412231445
1997	81.6849899291992
1998	81.5542068481445
1999	81.4253082275391
2000	81.9319686889648
2001	82.3779907226562
2002	83.1363983154297
2003	82.9439086914062
2004	83.6106872558594
2005	84.6611328125
2006	85.0969390869141
2007	86.1886215209961
2008	87.9703521728516
2009	88.6461563110352
2010	88.2730484008789
2011	87.4250030517578
2012	87.0080413818359
2013	87.039176940918
2014	86.9211883544922
2015	86.5653381347656
2016	87.1126937866211
2017	86.9878616333008
2018	87.1426315307617
2019	86.7954406738281
2020	86.9151229858398
2021	87.8445892333984
2022	91.0441818237305