Year	% of relevant age group
1973	51.0834884643555
1974	51.2477416992188
1976	58.3833694458008
1977	63.1198997497559
1978	64.4221725463867
1979	68.1961288452148
1980	71.725456237793
1981	76.2049713134766
1983	73.6323776245117
1984	70.8724517822266
1985	57.6827812194824
1986	59.2866592407227
1987	57.724681854248
1988	57.3558692932129
1989	51.5526008605957
1990	49.7254295349121
1991	54.9928092956543
1992	49.1891899108887
1993	50.6518707275391
1994	49.9670104980469
1995	48.6263084411621
1996	50.5597991943359
1997	48.6143913269043
1998	48.4777183532715
2000	52.2750816345215
2001	56.5251502990723
2006	52.7341995239258
2007	51.4804000854492
2009	51.8011016845703
2011	56.8492202758789
2012	59.5212211608887
2013	57.1022415161133
2014	58.5164413452148
2015	62.903881072998
2016	65.9035263061523
2017	73.2403335571289
2018	74.1586608886719
2019	76.2575912475586
2020	77.4896697998047
2021	75.249137878418
2022	69.0219268798828
2023	76.2409973144531