Year	% of relevant age group
1970	34.8747711181641
1971	34.7449798583984
1972	35.032600402832
1973	36.6965484619141
1974	38.2303085327148
1975	41.1566390991211
1976	43.4225807189941
1977	46.0134086608887
1978	45.3744888305664
1979	43.1567687988281
1980	47.9322090148926
1981	51.5597496032715
1982	53.2323112487793
1983	55.0604400634766
1984	57.7293586730957
1985	62.2897911071777
1986	62.297550201416
1987	62.5798110961914
1988	64.2175521850586
1989	65.0141220092773
1990	67.2474365234375
1991	68.5350723266602
1992	70.3984298706055
1993	71.5258102416992
1994	72.1444473266602
1995	74.2571029663086
1996	75.084098815918
1997	75.6876068115234
1998	76.4870910644531
1999	77.3864822387695
2000	77.1761322021484
2001	78.7433624267578
2002	78.9061584472656
2003	78.8317184448242
2004	83.866569519043
2005	86.1864700317383
2006	82.1533203125
2007	83.5359191894531
2008	85.3109130859375
2009	84.275749206543
2010	85.015998840332
2011	85.4207611083984
2012	86.3265380859375
2013	83.4402465820312
2014	82.9605178833008
2015	82.2158584594727
2016	81.7978515625
2017	81.2892684936523
2018	82.1307220458984
2019	82.381477355957
2020	84.6518783569336
2021	84.8132400512695
2022	84.9819869995117