Year	% of total population
1960	49.4793979029318
1961	49.4912876889241
1962	49.5428979677913
1963	49.589328936672
1964	49.6138518699318
1965	49.6319097364114
1966	49.6525607765248
1967	49.6733369407178
1968	49.687651270921
1969	49.6984802111515
1970	49.7180873032975
1971	49.7461488272053
1972	49.769178277676
1973	49.787994332702
1974	49.8127742028447
1975	49.8515718534954
1976	49.8991813120776
1977	49.9481483073253
1978	49.9948870889522
1979	50.0356564193572
1980	50.069153932574
1981	50.0849159801989
1982	50.0802752028965
1983	50.0731193163188
1984	50.0720884322425
1985	50.06530601592
1986	50.0623676837411
1987	50.0782231700861
1988	50.1004816499286
1989	50.1155889517562
1990	50.1319773348233
1991	50.1578707905224
1992	50.184446629189
1993	50.2073021421703
1994	50.2265198446503
1995	50.2451230486654
1996	50.2720070371783
1997	50.3044716937576
1998	50.3329513424791
1999	50.356052255393
2000	50.375042795067
2001	50.382543396524
2002	50.377616497647
2003	50.3709198624763
2004	50.3621018681202
2005	50.3494717434017
2006	50.3296472424187
2007	50.29578757023
2008	50.2527523578478
2009	50.2225762447825
2010	50.2193497955963
2011	50.2281698010568
2012	50.2367190075493
2013	50.2574357961666
2014	50.2949158142121
2015	50.337364415701
2016	50.3728327606627
2017	50.3920646218144
2018	50.3982108335605
2019	50.3930485933564
2020	50.3771496207779
2021	50.3579961474613
2022	50.3451811682079
2023	50.3390412786572