Year	% of total population
1960	49.950256426699845
1961	49.92934779813041
1962	49.924582589948855
1963	49.933859645372706
1964	49.94181610951087
1965	49.948566695936684
1966	49.95920152139699
1967	49.967384925574365
1968	49.977262849726905
1969	49.989535959831
1970	49.99550386388266
1971	50.00304752920401
1972	50.016172869620824
1973	50.02817199398112
1974	50.03767055973679
1975	50.0442093400048
1976	50.05017059723788
1977	50.05704328267422
1978	50.06411841650024
1979	50.067374078540524
1980	50.069975136536456
1981	50.07532323076714
1982	50.081987761036764
1983	50.089016309574276
1984	50.09514749947879
1985	50.103569753255705
1986	50.11567646114001
1987	50.13081222383935
1988	50.14684788757045
1989	50.16431248633086
1990	50.180623881117036
1991	50.19544932815913
1992	50.20943853033577
1993	50.21943751332689
1994	50.227424332088525
1995	50.234045992919434
1996	50.24112081683584
1997	50.24952481424588
1998	50.25727733832268
1999	50.26538857452431
2000	50.276805748613015
2001	50.28467135611245
2002	50.28768053615503
2003	50.28960453698465
2004	50.29063421320523
2005	50.294041266892364
2006	50.304836470249356
2007	50.32254491832847
2008	50.34193763828974
2009	50.358322839790496
2010	50.367084999957875
2011	50.371712237290225
2012	50.37762371332099
2013	50.382289480821385
2014	50.38478824120437
2015	50.38775982343179
2016	50.38656827315265
2017	50.377886581812696
2018	50.36578791464611
2019	50.34901980662473
2020	50.32355153085192
2021	50.29512302553823
2022	50.27474800296796
2023	50.25656547518328