Year	% of total population
1960	52.5456629958122
1961	53.0980903185769
1962	53.6775579188163
1963	54.1529135607618
1964	54.5104461458498
1965	54.7753356705807
1966	54.9854547733217
1967	55.1802964341208
1968	55.3891172355403
1969	55.6385269748821
1970	56.0897729175924
1971	56.7260528148991
1972	57.3336087956119
1973	57.8531821915603
1974	58.2766641903392
1975	58.6306947913318
1976	58.9337338468099
1977	59.2222870307312
1978	59.5340771600894
1979	59.8056571141252
1980	60.0883322562055
1981	60.4440633298
1982	60.7763813622912
1983	61.0624635317838
1984	61.3100844834849
1985	61.5582282015067
1986	61.8678732330873
1987	62.1924944156856
1988	62.4924042483743
1989	62.7474947957807
1990	62.9927177949055
1991	63.2730600222247
1992	63.5384092858691
1993	63.7812388803674
1994	64.0321420249508
1995	64.2403203393085
1996	64.3890402716558
1997	64.5227260515843
1998	64.6501799027987
1999	64.7592874177403
2000	64.8311120523497
2001	64.8884784992997
2002	64.9691765905763
2003	65.0781825783659
2004	65.2200384748694
2005	65.391983148862
2006	65.5569912007172
2007	65.6826224228169
2008	65.7595586780407
2009	65.7638750239206
2010	65.7354834232671
2011	65.68789423813
2012	65.6019921333804
2013	65.5233251950613
2014	65.4483322450875
2015	65.3491587165656
2016	65.2137701641007
2017	65.042680506938
2018	64.8620223308204
2019	64.645319539559
2020	64.3548216762959
2021	63.9933937904394
2022	63.6331338605531
2023	63.3227045002414