Year	% of relevant age group
1970	61.2150802612305
1971	61.2238082885742
1972	61.2034797668457
1973	62.8024482727051
1974	63.8894309997559
1975	67.8421478271484
1976	69.7963180541992
1977	72.3555603027344
1978	72.3171768188477
1979	67.4805221557617
1980	70.0792083740234
1981	73.639892578125
1982	73.7859725952148
1983	74.6783218383789
1984	76.8745880126953
1985	81.3415908813477
1986	80.0539703369141
1987	79.1598205566406
1988	79.7206497192383
1989	80.1792068481445
1990	81.6426086425781
1991	82.5249481201172
1992	83.8559494018555
1993	84.4016418457031
1994	84.1993103027344
1995	85.4686889648438
1996	85.7814102172852
1997	85.7548370361328
1998	85.9824600219727
1999	86.2510299682617
2000	85.6876831054688
2001	86.8647232055664
2002	86.2418518066406
2003	87.1503829956055
2004	89.4242630004883
2005	91.6942367553711
2006	89.2652893066406
2007	90.1444396972656
2008	92.4267272949219
2009	90.3177337646484
2010	91.0571975708008
2011	91.0310592651367
2012	91.5273666381836
2013	88.4063186645508
2014	88.1598815917969
2015	87.7361679077148
2016	86.9013519287109
2017	86.4909210205078
2018	87.3417816162109
2019	88.143310546875
2020	88.9612426757812
2021	89.3100967407227
2022	88.8815383911133