Year	% of relevant age group
1970	65.9876937866211
1971	70.3564224243164
1972	73.5131988525391
1973	78.8458023071289
1974	81.6121215820312
1975	85.2411499023438
1976	95.6047668457031
1977	93.6443023681641
1978	89.8061370849609
1979	89.1936874389648
1980	84.0517578125
1981	83.5619125366211
1982	81.0593414306641
1983	83.1563568115234
1984	80.8993835449219
1985	82.3330078125
1986	82.9459381103516
1987	83.6914596557617
1988	82.4289016723633
1989	83.8471221923828
1999	89.4369812011719
2000	91.7879409790039
2001	91.0287399291992
2002	91.1991882324219
2004	93.3805618286133
2005	93.663688659668
2006	91.6643981933594
2007	95.8963165283203
2008	99.5948867797852
2009	100.078941345215
2010	95.5265731811523
2011	99.7451095581055
2012	101.654678344727
2013	100.555023193359
2014	98.1929626464844
2017	90.4265975952148
2019	86.3132400512695
2020	87.0803070068359
2021	95.3021697998047