Year	% of total population
1960	50.4553483603025
1961	50.4032882642125
1962	50.3445622883392
1963	50.2868552023307
1964	50.2319700374306
1965	50.1819662277753
1966	50.1349943297308
1967	50.0904515970355
1968	50.0477268614046
1969	50.0028072353201
1970	50.0229540950688
1971	50.1467788579936
1972	50.2998174765916
1973	50.4386699339513
1974	50.5669014285285
1975	50.616157550686
1976	50.5530223899737
1977	50.4686994851424
1978	50.4019950517685
1979	50.3345510960713
1980	50.2953456027861
1981	50.2969987719239
1982	50.3102740201217
1983	50.3237447717274
1984	50.3377382761332
1985	50.3514115169744
1986	50.3632589350908
1987	50.3734091204982
1988	50.3839093805062
1989	50.3944420095197
1990	50.4062109753817
1991	50.4206798024948
1992	50.4366379121686
1993	50.4537370329799
1994	50.4719839826834
1995	50.4888125810211
1996	50.5017008323733
1997	50.5116494093546
1998	50.5195503222242
1999	50.5245428324209
2000	50.532670556126
2001	50.547801633751
2002	50.563908192711
2003	50.5773789724603
2004	50.5894034147162
2005	50.6022391282297
2006	50.615041199083
2007	50.616686029738
2008	50.5947223745288
2009	50.5588817001646
2010	50.5430546500459
2011	50.5581411131462
2012	50.5831021009123
2013	50.6069356575515
2014	50.6289624828872
2015	50.6538023639694
2016	50.6809737197711
2017	50.7048098792394
2018	50.7254402174856
2019	50.7435459520661
2020	50.7598262559029
2021	50.7703692247883
2022	50.7786268745174
2023	50.7884691942298