Year	% of total population
1960	50.957785886329255
1961	50.632013264078
1962	50.305931117589395
1963	49.98705065870806
1964	49.692886469891945
1965	49.442123423736575
1966	49.23275749985
1967	49.05960070213906
1968	48.94798961316527
1969	48.93249964138401
1970	49.119592679485
1971	49.52756832765194
1972	50.054421634498325
1973	50.63404608558676
1974	51.236627822680035
1975	51.87383651267125
1976	52.537660994424726
1977	53.2062909638405
1978	53.862788652876475
1979	54.48960037258876
1980	55.11112390929372
1981	55.77833136841626
1982	56.444830389267565
1983	57.03017292523456
1984	57.52113171479243
1985	57.92937405597337
1986	58.28077174527595
1987	58.59120630003301
1988	58.86330759200541
1989	59.087409630155044
1990	59.280268755732166
1991	59.495912958405555
1992	59.718256912127345
1993	59.90036571327917
1994	60.05191696720553
1995	60.24412525596171
1996	60.4896537865822
1997	60.74036979415091
1998	61.00039820726795
1999	61.26787367872662
2000	61.541103486542404
2001	61.83707708874264
2002	62.149094715972666
2003	62.48346835457557
2004	62.82425387497177
2005	63.15840811766501
2006	63.51797658800847
2007	63.88885632754089
2008	64.23721906108496
2009	64.55748669561818
2010	64.92664737689776
2011	65.34247774401574
2012	65.72688703390531
2013	66.05838416352132
2014	66.34748207797725
2015	66.60745807579752
2016	66.82777765381742
2017	67.00368384748803
2018	67.26497301795995
2019	67.42689345381369
2020	67.45285619688194
2021	67.5362879659952
2022	67.59862481200352
2023	67.63153418035932