Year	% of total population
1960	49.5541721825323
1961	49.6293610077114
1962	49.7109826589595
1963	49.7825251360482
1964	49.8418032464725
1965	49.9007993284878
1966	49.9565064500009
1967	50.0049366759117
1968	50.049205312432
1969	50.0952219729993
1970	50.1815474959679
1971	50.2896231243552
1972	50.3894317654773
1973	50.4953694581281
1974	50.6033276317835
1975	50.6983891560462
1976	50.7750747353358
1977	50.8470220218383
1978	50.9173486500687
1979	50.9903189186521
1980	51.0524828949997
1981	51.0600682960931
1982	51.0206090191524
1983	50.9775524981897
1984	50.929433199141
1985	50.8816906923811
1986	50.8370665885125
1987	50.7878114399345
1988	50.7324802507765
1989	50.6706958784521
1990	50.6164117225025
1991	50.6269373920692
1992	50.662378677765
1993	50.6661448060275
1994	50.6637569550843
1995	50.6548566487846
1996	50.6395348837209
1997	50.6206331148643
1998	50.6009150448852
1999	50.5785599807505
2000	50.5561425255609
2001	50.5151148730351
2002	50.4556872028658
2003	50.3943211690998
2004	50.3314616650988
2005	50.2708872046367
2006	50.2135220223809
2007	50.1573157722943
2008	50.1032155487436
2009	50.0514051265075
2010	50.0546403978814
2011	50.1095473056218
2012	50.1606543661495
2013	50.2097549087871
2014	50.2535938808237
2015	50.2860747323346
2016	50.3107703783966
2017	50.3313379219788
2018	50.3470604555234
2019	50.3589097778178
2020	50.3417139124027
2021	50.3038514515125
2022	50.2741368759747
2023	50.2552181585833