Year	% of relevant age group
1971	4.85966014862061
1972	4.65502977371216
1973	4.93515014648438
1974	5.0097599029541
1975	5.54220008850098
1976	5.44318008422852
1977	6.29542016983032
1978	6.27555990219116
1979	6.79440021514893
1980	6.70584011077881
1981	7.30118989944458
1982	7.50198984146118
1983	8.14575958251953
1984	9.41123962402344
1985	10.0306396484375
1987	11.3882102966309
1988	12.1655302047729
1989	11.9192600250244
1990	13.8866500854492
1991	14.6603002548218
1992	20.8429794311523
1993	18.6260108947754
1994	19.6202697753906
1995	14.7155799865723
1996	17.3873805999756
1999	17.9364891052246
2000	19.560359954834
2001	20.4312191009521
2002	21.6695804595947
2003	23.5939292907715
2004	24.9944591522217
2005	26.4574699401855
2006	28.0285491943359
2007	29.778169631958
2008	33.2407112121582
2009	39.1826095581055
2010	43.1958999633789
2011	49.9379997253418
2012	54.7807312011719
2013	61.2615394592285
2014	61.5311317443848
2015	61.8921318054199
2016	62.2848510742188
2017	64.1177062988281
2018	65.4495468139648
2019	65.1451110839844
2020	66.192253112793
2021	68.6767807006836
2022	63.7592086791992