Year	% of total population
1960	63.7135033176217
1961	63.7123079167836
1962	63.7215695573618
1963	63.7308587612526
1964	63.7327027903879
1965	63.7344656744293
1966	63.74332034883
1967	63.7525108468209
1968	63.7614675326681
1969	63.760824160571
1970	63.7335774601161
1971	63.6717156594875
1972	63.5849611385038
1973	63.4539896395318
1974	63.2604471685572
1975	63.0271304095716
1976	62.7627907935628
1977	62.4799223471931
1978	62.194375763668
1979	61.9140281873631
1980	61.651597723124
1981	61.4205347598466
1982	61.2291834369069
1983	61.0732012449001
1984	60.9500785342762
1985	60.8616546206188
1986	60.8070946560295
1987	60.7840125080192
1988	60.7932950872087
1989	60.8365655093767
1990	60.8964173025107
1991	60.9617183570123
1992	61.0428301439464
1993	61.1400727937393
1994	61.244388596194
1995	61.3591755992298
1996	61.4904628684744
1997	61.6370677432851
1998	61.7893840165075
1999	61.9345409660663
2000	62.0778819195666
2001	62.2333431184235
2002	62.4007206751966
2003	62.5849056211905
2004	62.7739293618823
2005	62.9570460711144
2006	63.1412680705113
2007	63.3291613702103
2008	63.5188588880271
2009	63.6957388406352
2010	63.8465181722206
2011	63.9571561104161
2012	64.0236515867461
2013	64.0668860528369
2014	64.1135466076325
2015	64.1583072712133
2016	64.2036604565357
2017	64.2627108587214
2018	64.3470942996825
2019	64.4598576572582
2020	64.6161477991667
2021	64.8213554497471
2022	65.0283403864592
2023	65.2063161168495