Year	% of total population
1960	49.7205509509379
1961	49.7590492357513
1962	49.7726502781484
1963	49.7762287236698
1964	49.7792725545175
1965	49.787389641218
1966	49.7940881122203
1967	49.7958022648552
1968	49.7967853284008
1969	49.8041604506263
1970	49.815651150908
1971	49.8177912889385
1972	49.8092898535434
1973	49.801846687631
1974	49.7952315987369
1975	49.7850958178471
1976	49.7731110288285
1977	49.7604359531036
1978	49.7577271823839
1979	49.7751721561933
1980	49.7965286769101
1981	49.8260496077612
1982	49.874044248803
1983	49.9222408457708
1984	49.96463694069
1985	50.0116522223797
1986	50.0693609096875
1987	50.1474229444745
1988	50.2510555941487
1989	50.3161644342141
1990	50.313940483862
1991	50.2926411027147
1992	50.2825244652838
1993	50.2887159094114
1994	50.3232007210208
1995	50.3585714357552
1996	50.3687552817956
1997	50.3689957831408
1998	50.358050891804
1999	50.3408145138917
2000	50.3141458496398
2001	50.307702914951
2002	50.3282268406459
2003	50.3176670148445
2004	50.2374779077341
2005	50.1043866664596
2006	49.9875082825518
2007	49.9934171805624
2008	50.1077173797815
2009	50.2380554478963
2010	50.3340527363283
2011	50.4078445576313
2012	50.4590375831133
2013	50.4836960690651
2014	50.5245483341472
2015	50.532389149892
2016	50.509925382566
2017	50.4933931339894
2018	50.4745158089543
2019	50.4671244127116
2020	50.4598049501033
2021	50.4480875062117
2022	50.4392598289227
2023	50.4308835292524