Year	% of total population
1960	51.5577240262575
1961	51.4800079336884
1962	51.4018686418634
1963	51.328307319065
1964	51.2588814249263
1965	51.1890706662602
1966	51.1208933600851
1967	51.058504348606
1968	50.9995915322867
1969	50.9445404599352
1970	50.8919430529146
1971	50.8398220874171
1972	50.7884087964401
1973	50.734677517301
1974	50.68029244939
1975	50.6267908812123
1976	50.5753771982423
1977	50.5275660821158
1978	50.4813744785808
1979	50.4372511513823
1980	50.3927258630691
1981	50.3467387446419
1982	50.3004933840905
1983	50.2537623907201
1984	50.2072254501498
1985	50.1608048318789
1986	50.1139493043322
1987	50.0687733033778
1988	50.0273315936079
1989	49.9893100011133
1990	49.9526121161761
1991	49.9167374637853
1992	49.8837880321128
1993	49.8676713370031
1994	49.8686401416157
1995	49.8755895782397
1996	49.8893842927826
1997	49.9074329585741
1998	49.927581057251
1999	49.9528669770824
2000	49.9830976675584
2001	50.0087906403741
2002	50.0282418840746
2003	50.0462211239569
2004	50.0631924858327
2005	50.0737221546505
2006	50.0751796935241
2007	50.0727655782491
2008	50.0671119396714
2009	50.0575798458398
2010	50.0449968471977
2011	50.0308836375157
2012	50.01687452596
2013	50.005493400477
2014	49.9964298080222
2015	49.9861338260427
2016	49.977582833671
2017	49.9752893051399
2018	49.9766807430704
2019	49.9792461085241
2020	49.9755090397324
2021	49.9672270389677
2022	49.9593648451821
2023	49.9511488244891