Year	% of relevant age group
1973	42.8799095153809
1974	43.2222595214844
1975	43.3178100585938
1976	46.5287895202637
1977	47.2347183227539
1978	52.024600982666
1979	63.6866912841797
1981	56.2694091796875
1982	56.4112091064453
1984	56.9435386657715
1985	59.9734306335449
1986	53.656551361084
1987	52.1992797851562
1988	53.7762718200684
1989	63.5207786560059
1990	60.522518157959
1991	58.6999206542969
1992	50.9710388183594
1993	56.1559295654297
1994	61.5987014770508
1995	67.9717788696289
1996	66.7004928588867
1997	68.1559677124023
1998	72.951057434082
1999	70.7314605712891
2000	77.7526168823242
2001	74.6174087524414
2002	71.4243774414062
2003	74.7552337646484
2004	74.1776123046875
2005	78.7701797485352
2006	77.736213684082
2007	80.1923294067383
2008	83.424919128418
2009	85.9570007324219
2010	81.8149719238281
2011	83.209846496582
2012	81.0110168457031
2013	81.7555923461914
2014	82.3408737182617
2015	84.3727264404297
2016	87.3542633056641
2017	83.7763595581055
2018	84.4427719116211
2019	86.7647094726562
2020	101.361999511719
2021	130.971786499023