Year	% of relevant age group
1974	69.2215423583984
1975	70.6232070922852
1976	71.8434295654297
1977	72.6156311035156
1978	73.863410949707
1979	74.1332702636719
1980	74.9217529296875
1981	74.8847579956055
1982	74.9394989013672
1983	74.7604598999023
1984	75.0638732910156
1985	75.0686874389648
1986	75.5949783325195
1987	76.2904586791992
1988	77.9967422485352
1989	79.7657470703125
1990	80.0014038085938
1991	80.8020935058594
1992	81.4800872802734
1993	82.069709777832
1994	81.3500900268555
1995	81.1585311889648
1996	82.2920989990234
1997	82.6579437255859
1998	82.8690414428711
1999	83.6937408447266
2000	84.105842590332
2001	84.6101303100586
2002	84.9455795288086
2003	85.2983932495117
2004	85.5925979614258
2005	85.6636428833008
2006	87.6777725219727
2007	88.1189498901367
2008	88.6890029907227
2009	89.1079711914062
2010	89.0288162231445
2011	90.2469329833984
2012	89.1742324829102
2013	88.790901184082
2014	88.4005432128906
2015	87.5314865112305
2016	87.5929412841797
2017	87.8180236816406
2018	87.5395126342773
2019	87.5973968505859
2020	87.3017807006836
2021	87.3795394897461
2022	87.4930801391602