Year	% of relevant age group
1972	54.7428016662598
1973	55.1577987670898
1974	55.6903991699219
1975	56.7587203979492
1976	57.4945907592773
1977	58.5886306762695
1978	59.9108085632324
1979	61.2689399719238
1980	61.637321472168
1981	62.7820281982422
1982	63.5258483886719
1983	63.5810089111328
1984	65.2493209838867
1985	62.6451988220215
1986	62.393798828125
1987	61.5155792236328
1988	60.5216789245605
1989	59.3113899230957
1990	59.970588684082
1991	60.2880897521973
1992	59.5287208557129
1993	60.1560401916504
1994	59.1335182189941
1995	59.1911315917969
1996	59.5363082885742
1997	59.1202507019043
1998	58.2780113220215
1999	58.2839584350586
2000	58.5804405212402
2001	60.3624114990234
2002	61.6268081665039
2003	62.5788116455078
2004	63.8250198364258
2005	66.1176986694336
2006	68.9912567138672
2007	68.6000595092773
2008	68.3669204711914
2009	71.1715927124023
2010	70.9179229736328
2011	70.9886627197266
2012	70.3124465942383
2013	70.1931533813477
2014	70.0823974609375
2015	70.0856781005859
2016	70.1398086547852
2017	70.397819519043
2018	71.1320495605469
2019	71.4972610473633
2020	72.2245330810547
2021	72.8983306884766