Year	% of relevant age group
1970	65.647216796875
1971	69.2295532226562
1972	62.4470405578613
1973	64.5703201293945
1974	66.316780090332
1975	66.9570999145508
1976	67.2598571777344
1977	69.7080612182617
1978	70.8919296264648
1979	72.824577331543
1980	74.601676940918
1981	75.5394973754883
1982	76.820182800293
1983	78.609016418457
1984	80.5993423461914
1985	80.4924087524414
1986	82.0545120239258
1987	83.4836196899414
1988	84.0775604248047
1989	84.8544235229492
1990	86.5068511962891
1991	86.7676773071289
1992	89.1578216552734
1993	89.0532989501953
1994	88.3699035644531
1995	89.0805969238281
1996	89.6012191772461
1997	90.468879699707
1998	91.4299926757812
1999	91.9380798339844
2000	92.1626815795898
2001	92.0720291137695
2002	93.1437911987305
2003	93.5474319458008
2004	94.1994781494141
2005	94.783317565918
2006	95.5422515869141
2007	96.5149688720703
2008	96.549186706543
2009	96.8878173828125
2010	97.3647384643555
2011	97.2273330688477
2012	98.1703720092773
2013	98.1552200317383
2014	98.5828170776367
2015	97.0716323852539
2016	96.7253875732422
2017	95.9668731689453
2018	94.9738616943359
2019	94.7846908569336
2020	95.2335662841797
2021	95.6683807373047
2022	95.7931671142578