Year	% of relevant age group
1970	48.9163284301758
1971	48.8594703674316
1972	48.978931427002
1973	50.4875183105469
1974	51.7064895629883
1975	55.0661582946777
1976	57.1571617126465
1977	59.6177291870117
1978	59.3213882446289
1979	55.8409194946289
1980	59.3952903747559
1981	62.939640045166
1982	63.8231811523438
1983	65.1626663208008
1984	67.5101470947266
1985	71.8529891967773
1986	71.2568511962891
1987	70.9545974731445
1988	72.0187683105469
1989	72.652458190918
1990	74.4506988525391
1991	75.5315093994141
1992	77.0761337280273
1993	77.9301300048828
1994	78.1856231689453
1995	79.8404769897461
1996	80.4539031982422
1997	80.7745819091797
1998	81.3293380737305
1999	81.9496994018555
2000	81.6652297973633
2001	83.0230484008789
2002	82.8694763183594
2003	83.4099731445312
2004	86.8836288452148
2005	89.1283264160156
2006	86.1918182373047
2007	87.3217926025391
2008	89.2722091674805
2009	87.7957534790039
2010	88.4957809448242
2011	88.6782302856445
2012	89.3225631713867
2013	86.4598007202148
2014	86.1503829956055
2015	85.6549224853516
2016	85.0143203735352
2017	84.6470031738281
2018	85.4106826782227
2019	85.9430084228516
2020	87.3048629760742
2021	87.5107498168945
2022	87.3449783325195