Year	% of total population
1960	52.7662447093309
1961	52.6188817303395
1962	52.4772922511794
1963	52.3411873868109
1964	52.2112477292401
1965	52.0861107520271
1966	51.966530385493
1967	51.8517293806673
1968	51.7422091764649
1969	51.6383582365194
1970	51.5378049334134
1971	51.4391290680057
1972	51.3428893546864
1973	51.2536313723692
1974	51.1730890649406
1975	51.1022292923846
1976	51.0345698347392
1977	50.9645945942594
1978	50.8928634431896
1979	50.8195968332852
1980	50.7438228322305
1981	50.6643458908854
1982	50.5849313993795
1983	50.5072114439647
1984	50.4301283265525
1985	50.3544707022549
1986	50.2818031079466
1987	50.2134918578198
1988	50.1493727589005
1989	50.088139895208
1990	50.0310250771505
1991	49.9792579655898
1992	49.9331136269029
1993	49.8915488370707
1994	49.853665586469
1995	49.8154050196873
1996	49.7756291492253
1997	49.7369261366349
1998	49.7008729682024
1999	49.6668957551323
2000	49.6328251739167
2001	49.5986013300165
2002	49.564826186967
2003	49.5306644011723
2004	49.49994707069
2005	49.4746204336979
2006	49.4517850400357
2007	49.4313651351438
2008	49.4124977556061
2009	49.3938894176706
2010	49.3760430593271
2011	49.3597622928093
2012	49.3442362089709
2013	49.3299138662489
2014	49.3176703258629
2015	49.3091854958763
2016	49.3031723026136
2017	49.2969199171844
2018	49.2895531384116
2019	49.2831050522422
2020	49.2785686514048
2021	49.2762205991101
2022	49.2773402540761
2023	49.2799741556425