Year	% of total population
1960	51.7100221418856
1961	51.1443286229362
1962	50.6493617468943
1963	50.2228781318247
1964	49.9842766017896
1965	49.8923862008781
1966	49.8395767544226
1967	49.8201953187706
1968	49.8574006936816
1969	49.9582139710863
1970	50.1127167403943
1971	50.3139252294719
1972	50.5370679704473
1973	50.7763250477843
1974	51.0532523416002
1975	51.3573669943459
1976	51.6782289949222
1977	52.0251712680751
1978	52.3783971715633
1979	52.7172433819651
1980	53.0412047070694
1981	53.3482114083105
1982	53.6433366840565
1983	53.9249497155146
1984	54.2033246457973
1985	54.5032583835897
1986	54.8210470217119
1987	55.1619667322954
1988	55.5433907841247
1989	55.9578291520906
1990	56.3957416387536
1991	56.8234657461212
1992	57.2391234240995
1993	57.6833558099874
1994	58.1719112734967
1995	58.7217474610698
1996	59.3175592972697
1997	59.9209559195241
1998	60.5100852498891
1999	61.0788520344956
2000	61.6352224054455
2001	62.1812951404899
2002	62.7081873917271
2003	63.2054409672951
2004	63.7013025401336
2005	64.2091513044436
2006	64.6815326003151
2007	65.0903287596662
2008	65.4395291998103
2009	65.7158984194834
2010	65.9135437649286
2011	66.040237603681
2012	66.1230713360801
2013	66.1747564658748
2014	66.1790458113132
2015	66.142044606216
2016	66.0958678821549
2017	66.0268700721509
2018	65.9255785907351
2019	65.8245062944492
2020	65.7570777478881
2021	65.7225451821216
2022	65.6952183247621
2023	65.6873998349473