Year	% of total population
1960	50.0673631469534
1961	50.1059628712848
1962	50.1739266451669
1963	50.2455809212634
1964	50.3125908745303
1965	50.3664485025347
1966	50.3802824156495
1967	50.362131112307
1968	50.3420085348434
1969	50.3206958256945
1970	50.300218001559
1971	50.2920344340091
1972	50.2978395496392
1973	50.3057945113394
1974	50.3188508233082
1975	50.3227101597314
1976	50.2972955032214
1977	50.257395445698
1978	50.21683641761
1979	50.1749089602664
1980	50.1326482458273
1981	50.1009232569377
1982	50.0810107304894
1983	50.063567084908
1984	50.0500130814794
1985	50.0426518180021
1986	50.0588657272069
1987	50.0921831547615
1988	50.1265235049736
1989	50.1641704947485
1990	50.2056741155646
1991	50.2283994402731
1992	50.2303399478553
1993	50.2366964792204
1994	50.2462107374211
1995	50.2533605202411
1996	50.2567971278599
1997	50.2557231952653
1998	50.2533099328157
1999	50.2532198531897
2000	50.2526224822628
2001	50.226679009935
2002	50.1770875254762
2003	50.1268917384442
2004	50.0741452190293
2005	50.0220496850118
2006	49.9800736105737
2007	49.9459162692725
2008	49.9110863188554
2009	49.8756164559827
2010	49.8482536695828
2011	49.8682567404377
2012	49.9257477482505
2013	49.9808825577447
2014	50.0338729487611
2015	50.08010389219
2016	50.083363892688
2017	50.0506594247564
2018	50.0184395735812
2019	49.9856178584791
2020	49.9598917459049
2021	49.941903493641
2022	49.9219311634808
2023	49.8990490490519