Year	% of relevant age group
1973	35.7154808044434
1974	36.0488586425781
1975	39.5998382568359
1976	42.8203506469727
1977	46.3448905944824
1978	47.9330406188965
1979	50.814380645752
1980	54.3998603820801
1981	59.0823593139648
1983	57.8082389831543
1984	55.9901504516602
1985	47.4245491027832
1986	47.7731285095215
1987	47.3602981567383
1988	45.8021812438965
1989	41.4748191833496
1990	39.5466194152832
1991	42.8022499084473
1992	39.0321006774902
1993	40.5020599365234
1994	40.8618392944336
1995	39.9408912658691
1996	41.7580490112305
1997	40.2280006408691
1998	41.4051818847656
1999	44.7158393859863
2000	42.879810333252
2001	47.0666313171387
2006	42.7145881652832
2007	43.701530456543
2009	44.6389198303223
2011	51.8445281982422
2012	52.8002891540527
2013	51.7815589904785
2014	53.1275405883789
2015	58.0733604431152
2016	61.3673782348633
2017	67.6764907836914
2018	70.0334701538086
2019	73.4945068359375
2020	75.5859832763672
2021	73.7053680419922
2022	68.5947036743164
2023	76.1350021362305