Year	% of relevant age group
1974	31.482780456543
1975	43.2441482543945
1976	50.2436103820801
1977	56.5296096801758
1978	58.1019592285156
1979	63.166561126709
1980	67.4396896362305
1981	72.1637420654297
1982	81.6128082275391
1983	84.1032562255859
1984	84.1941528320312
1985	79.2840881347656
1986	82.8166427612305
1987	80.9661331176758
1988	75.5915298461914
1989	79.7032928466797
1990	86.0195465087891
1991	92.0921325683594
1992	92.1190032958984
1993	91.0666122436523
1994	91.9542694091797
1995	91.441650390625
1996	87.9795913696289
1997	86.6882781982422
1998	86.7059478759766
1999	91.7437591552734
2000	95.1232070922852
2001	97.5416412353516
2002	97.4715805053711
2003	95.5801773071289
2004	95.718147277832
2005	97.3373107910156
2006	97.5561065673828
2007	97.023567199707
2009	84.4225692749023
2010	85.5815963745117
2011	89.1311187744141
2012	98.8578720092773
2013	105.104248046875
2014	112.580551147461
2015	120.700309753418
2019	123.045280456543
2020	107.778106689453