Year	% of relevant age group
1970	34.3636703491211
1971	34.2466812133789
1972	34.5395202636719
1973	36.2237510681152
1974	37.7774085998535
1975	40.7305908203125
1976	43.0181999206543
1977	45.6362991333008
1978	44.9931297302246
1979	42.7509384155273
1980	47.5756988525391
1981	51.2396087646484
1982	52.9278793334961
1983	54.7724113464355
1984	57.4665794372559
1985	62.0722503662109
1986	62.0825691223145
1987	62.3715591430664
1988	64.0206298828125
1989	64.8263092041016
1990	67.086181640625
1991	68.3862762451172
1992	70.268310546875
1993	71.4078674316406
1994	72.031982421875
1995	74.1663665771484
1996	74.9993362426758
1997	75.6086502075195
1998	76.3538513183594
1999	77.1960678100586
2000	76.9526519775391
2001	78.4877319335938
2002	78.6760177612305
2003	78.5182266235352
2004	83.7136611938477
2005	86.035758972168
2006	81.9878082275391
2007	83.4409332275391
2008	85.2443008422852
2009	84.1643981933594
2010	84.8765487670898
2011	85.3134765625
2012	86.2933578491211
2013	83.2840576171875
2014	82.780403137207
2015	82.0212783813477
2016	81.6084671020508
2017	81.0192337036133
2018	81.9245910644531
2019	82.1889038085938
2020	84.4379577636719
2021	84.6625595092773
2022	84.8373031616211