Year	% of relevant age group
1970	50.4464416503906
1971	50.2955207824707
1972	49.8330917358398
1973	50.8500213623047
1974	51.5429992675781
1975	54.4666404724121
1976	56.0963516235352
1977	58.080509185791
1978	57.333438873291
1979	53.2655715942383
1980	56.3705596923828
1981	59.628791809082
1982	60.107780456543
1983	61.0502700805664
1984	63.0768890380859
1985	66.825813293457
1986	65.9162902832031
1987	65.5702972412109
1988	66.4099273681641
1989	66.8291320800781
1990	68.2965621948242
1991	68.4528579711914
1992	69.2382583618164
1993	69.4410781860352
1994	70.1775436401367
1995	71.1235504150391
1996	72.1502838134766
1997	72.8757095336914
1998	73.9241714477539
1999	74.961067199707
2000	74.9064788818359
2001	76.0168380737305
2002	76.6783218383789
2003	78.1954879760742
2004	79.7697830200195
2005	80.8678588867188
2006	79.1604309082031
2007	80.8705673217773
2008	82.638427734375
2009	81.0526504516602
2010	81.9671630859375
2011	82.1684188842773
2012	82.9329528808594
2013	80.3713836669922
2014	80.2723388671875
2015	80.009033203125
2016	79.7842864990234
2017	79.7449569702148
2018	80.6385498046875
2019	81.098876953125
2020	82.2149429321289
2021	82.4848709106445
2022	82.3197174072266