Year	% of total population
1960	50.0886142118193
1961	50.0110778412881
1962	49.935672453836
1963	49.8639005700822
1964	49.7947251527384
1965	49.7209930642074
1966	49.6439973889707
1967	49.566656636323
1968	49.4907907624211
1969	49.4195397677687
1970	49.3566701711456
1971	49.3043860600683
1972	49.2610692848442
1973	49.2281182111043
1974	49.2156546954537
1975	49.235665685801
1976	49.2899031980074
1977	49.383973805535
1978	49.5013734936433
1979	49.6144828783457
1980	49.7182701776636
1981	49.8119199340946
1982	49.8952631585955
1983	49.9708192357783
1984	50.0417783528685
1985	50.1022512136341
1986	50.1474395701908
1987	50.1834558470771
1988	50.2184958578145
1989	50.2541577026078
1990	50.2885283587409
1991	50.319739179182
1992	50.3471559520743
1993	50.372967849526
1994	50.4011703936689
1995	50.4377261247114
1996	50.4844221519201
1997	50.5386873989053
1998	50.5934335227262
1999	50.6391368987961
2000	50.6746966572609
2001	50.7033639574535
2002	50.7249323491423
2003	50.7436290215615
2004	50.7609014972019
2005	50.7750506489988
2006	50.7883374690047
2007	50.802010987845
2008	50.8161381239625
2009	50.8303670290575
2010	50.844736455458
2011	50.8593199066782
2012	50.8740247855305
2013	50.890731581164
2014	50.9019128282641
2015	50.9041366920632
2016	50.90202554938
2017	50.8950346531319
2018	50.884117525181
2019	50.8735354855491
2020	50.8586819760381
2021	50.837271697344
2022	50.8210776932384
2023	50.8111871742662