Year	% of relevant age group
1970	66.5215835571289
1971	70.0304870605469
1972	64.2580032348633
1973	66.4077529907227
1974	67.9352798461914
1975	68.5833206176758
1976	68.9363098144531
1977	71.0316314697266
1978	72.0929565429688
1979	73.8280410766602
1980	75.5991897583008
1981	76.5698394775391
1982	77.9123382568359
1983	79.523681640625
1984	81.2302017211914
1985	81.1542816162109
1986	82.5526428222656
1987	83.8597183227539
1988	84.3963394165039
1989	85.1729431152344
1990	86.6969680786133
1991	87.0570068359375
1992	89.3719329833984
1993	89.2315521240234
1994	88.5550537109375
1995	89.1422424316406
1996	89.5927276611328
1997	90.366081237793
1998	91.2395935058594
1999	91.7319107055664
2000	92.0167388916016
2001	91.964599609375
2002	93.2355804443359
2003	93.4573135375977
2004	94.0938110351562
2005	94.7536163330078
2006	95.6108016967773
2007	96.6082382202148
2008	96.4925537109375
2009	96.7906799316406
2010	97.0920181274414
2011	97.0772323608398
2012	98.0591278076172
2013	98.0295715332031
2014	98.4541625976562
2015	96.9998092651367
2016	96.5038070678711
2017	95.6033935546875
2018	94.9070205688477
2019	94.8911666870117
2020	95.5025405883789
2021	96.135986328125
2022	96.4337387084961