Year	% of relevant age group
1971	8.52400016784668
1972	9.50866031646729
1973	9.7348804473877
1974	11.0857200622559
1975	12.4391603469849
1976	12.2808399200439
1977	12.997579574585
1978	14.2499103546143
1979	14.4463701248169
1980	14.5234498977661
1981	15.5037603378296
1982	15.8821496963501
1983	16.6549797058105
1984	17.9931507110596
1985	17.4209403991699
1986	18.7121391296387
1987	20.0341091156006
1988	20.8964691162109
1990	29.932689666748
1991	25.2297401428223
2003	24.1028709411621
2006	21.0399799346924
2007	22.5198993682861
2008	29.7769603729248
2009	27.0119495391846
2010	34.2360000610352
2011	42.5888710021973
2012	43.6679992675781
2013	44.0960311889648
2014	37.7961692810059
2015	47.1242408752441
2016	48.2099990844727
2017	43.0320014953613
2018	41.6049995422363
2019	38.5130004882812
2020	36.7830009460449
2021	35.9822387695312
2022	35.1893615722656