Year	% of total population
1960	49.3529897311324
1961	49.3524833255878
1962	49.3625583190607
1963	49.3668669846592
1964	49.3565075748878
1965	49.3479181796175
1966	49.3418310121194
1967	49.3394068124789
1968	49.3392184455934
1969	49.3414713233856
1970	49.3468541458978
1971	49.3542236161726
1972	49.3649516253663
1973	49.3788663385416
1974	49.4081880441769
1975	49.4501646352798
1976	49.4882027020033
1977	49.5233771693249
1978	49.5564271880099
1979	49.5914277762316
1980	49.6323751280887
1981	49.6762230001664
1982	49.7219062156979
1983	49.7684023160051
1984	49.8127999349443
1985	49.85498198099
1986	49.8954367930485
1987	49.9336944215681
1988	49.9684046055901
1989	49.9989030726366
1990	50.0265967124841
1991	50.0536709317197
1992	50.0794982620443
1993	50.1029604106123
1994	50.1251052943562
1995	50.145856908832
1996	50.1649314401475
1997	50.176389340298
1998	50.1811538269485
1999	50.1866272563434
2000	50.1928702544517
2001	50.1965774632603
2002	50.1961345327171
2003	50.1927996955563
2004	50.1845040200812
2005	50.1891005762886
2006	50.2130211366408
2007	50.2392512399551
2008	50.2656595382457
2009	50.2927641241555
2010	50.3186884055427
2011	50.3451429454889
2012	50.3738552234566
2013	50.4023941550814
2014	50.4280385100159
2015	50.4376111155065
2016	50.4320117805433
2017	50.4265340672088
2018	50.4230960536838
2019	50.418459209881
2020	50.4115843390967
2021	50.4046635601585
2022	50.3976439260373
2023	50.3898265852339