Year	% of relevant age group
1970	30.778959274292
1971	30.6941394805908
1972	31.0355796813965
1973	31.8572902679443
1974	31.7818298339844
1975	31.9186992645264
1976	31.4416904449463
1977	30.7957496643066
1978	31.0139102935791
1979	30.9048404693604
1980	30.5529003143311
1981	30.8195304870605
1982	30.422700881958
1983	30.4175395965576
1984	30.5386199951172
1985	30.8538208007812
1986	30.8794593811035
1987	30.8461399078369
1988	30.9154491424561
1989	30.6608295440674
1990	30.4562492370605
1991	30.3068904876709
1992	30.1806793212891
1993	29.9349308013916
1994	29.8388404846191
1995	30.031099319458
1996	30.0222091674805
1997	30.2085609436035
1998	30.6155891418457
1999	30.5289192199707
2000	31.2680206298828
2001	32.4546394348145
2002	34.0884284973145
2003	35.680721282959
2004	36.8120918273926
2005	37.4443206787109
2006	38.1599807739258
2007	39.1073303222656
2008	40.7190093994141
2009	40.1435317993164
2010	42.514778137207
2011	42.9214897155762
2012	42.9688301086426
2013	42.7670097351074
2014	43.6035690307617
2015	44.1315689086914
2016	44.555908203125
2017	45.058780670166
2018	45.5116806030273
2019	45.7464218139648
2020	45.9729881286621
2021	46.1704292297363