Year	% of relevant age group
1972	60.5694694519043
1973	60.7540016174316
1974	60.4195098876953
1975	61.6879005432129
1976	62.2627296447754
1977	63.0364112854004
1978	64.5694580078125
1979	64.4631805419922
1980	64.8020324707031
1981	65.6144027709961
1982	65.8600006103516
1983	65.9997787475586
1984	65.823371887207
1985	65.4343185424805
1986	65.8425369262695
1987	65.8816909790039
1988	65.7997970581055
1989	65.1810073852539
1990	65.5630111694336
1991	65.8258590698242
1992	65.7382736206055
1993	65.8995666503906
1994	65.7950210571289
1995	65.413200378418
1996	66.2560272216797
1997	66.4524688720703
1998	66.6056976318359
1999	67.1088027954102
2000	67.6953887939453
2001	68.4558181762695
2002	68.5173187255859
2003	68.1740417480469
2004	69.2892074584961
2005	70.8604431152344
2006	75.4547882080078
2007	71.6642303466797
2008	66.7634887695312
2009	69.2562026977539
2010	69.7887115478516
2011	70.8175201416016
2012	70.6020736694336
2013	71.4570388793945
2014	71.7305297851562
2015	72.4770126342773
2016	72.9728927612305
2017	72.2343597412109
2018	71.8757705688477
2019	71.5446166992188
2020	71.527458190918
2021	71.9521789550781
2022	71.036247253418