Year	% of relevant age group
1970	48.8309707641602
1971	48.932918548584
1972	49.3292503356934
1973	50.1204414367676
1974	50.5463485717773
1975	51.5314788818359
1976	52.5718002319336
1977	53.4646987915039
1978	54.220760345459
1979	55.1935081481934
1980	56.5935897827148
1981	58.2207908630371
1982	59.9644012451172
1983	61.6806411743164
1984	63.9108009338379
1985	66.1439819335938
1986	67.4166564941406
1987	68.2013626098633
1988	69.6547088623047
1989	70.0082015991211
1990	70.3601913452148
1991	70.7263793945312
1992	71.5104598999023
1993	72.2562484741211
1994	73.054443359375
1995	73.7978515625
1996	73.5961837768555
1997	73.3008270263672
1998	73.271858215332
1999	73.0566635131836
2000	74.5265884399414
2001	75.5002899169922
2002	76.9757614135742
2003	79.1028671264648
2004	80.8375625610352
2005	82.9577407836914
2006	83.5683212280273
2007	85.1306381225586
2008	86.5418090820312
2009	87.3952789306641
2010	87.5353927612305
2011	86.8226165771484
2012	88.0890274047852
2013	88.557731628418
2014	89.6966018676758
2015	89.8639907836914
2016	90.4995422363281
2017	89.403923034668
2018	89.2706069946289
2019	88.7858200073242
2020	89.7891616821289
2021	90.4969024658203
2022	96.4630813598633