Year	% of total population
1960	51.0835875556756
1961	51.042605476566
1962	51.0012981045226
1963	50.9606698220416
1964	50.9206901374053
1965	50.8807289932809
1966	50.842438052553
1967	50.8064026012916
1968	50.7696950650724
1969	50.7335541720376
1970	50.69867581863
1971	50.663472415886
1972	50.6277549072289
1973	50.589033610202
1974	50.547522942733
1975	50.5054528484762
1976	50.4628745119904
1977	50.4211708853068
1978	50.3801091324146
1979	50.3411666643782
1980	50.3038706464342
1981	50.2670795734898
1982	50.2314375536936
1983	50.1972735670687
1984	50.1651727199089
1985	50.2570271025306
1986	50.4733257597877
1987	50.6969967205744
1988	50.9089180042431
1989	50.9742926547946
1990	50.8972546355941
1991	50.8151098949554
1992	50.7722665078795
1993	50.7952350954195
1994	50.8080902234031
1995	50.7632552327324
1996	50.7108158260985
1997	50.7136342584986
1998	50.7804291349166
1999	50.8754330877857
2000	50.9071260663561
2001	50.8416227037469
2002	50.758320970443
2003	50.6767036963102
2004	50.5953357670201
2005	50.5129132093498
2006	50.4281949047364
2007	50.3415159247737
2008	50.2522107951709
2009	50.1614627434661
2010	50.0773507077547
2011	50.0050804007132
2012	49.9408902186949
2013	49.8834526909856
2014	49.8348855945007
2015	49.7950097271688
2016	49.7625416059335
2017	49.7365028947877
2018	49.7145089488189
2019	49.6958713625775
2020	49.6868295951246
2021	49.68091491502
2022	49.6750809597352
2023	49.6739650041411