Year	% of relevant age group
1971	4.42953014373779
1972	6.10978984832764
1973	5.84919023513794
1974	6.9449200630188
1975	8.59689044952393
1976	9.96947002410889
1977	13.1852598190308
1978	16.1236991882324
1979	19.4803695678711
1980	22.5607795715332
1981	22.012809753418
1982	21.4333400726318
1983	17.3464794158936
1984	12.8364200592041
1985	11.6027803421021
1986	11.2285604476929
1987	11.3383502960205
1988	10.4403495788574
1989	11.7363996505737
1990	13.1781396865845
1991	12.6950197219849
1992	13.5815401077271
1994	12.6092700958252
1995	16.1388492584229
1996	16.1859893798828
1999	21.0661201477051
2000	22.8769302368164
2001	26.7668304443359
2002	30.0262794494629
2003	32.2848510742188
2004	35.0006790161133
2005	39.1438102722168
2006	39.1352996826172
2007	32.851490020752
2008	34.4866485595703
2010	34.4014205932617
2011	38.4916496276855
2013	38.3152809143066
2014	36.9214286804199
2015	39.8370513916016
2016	41.7771492004395
2017	45.9569206237793
2018	47.5363311767578
2019	50.0811500549316
2020	52.4744110107422
2021	57.7177581787109
2022	63.3791618347168