Year	% of total population
1960	63.4398396068274
1961	63.2552431716625
1962	63.103600165489
1963	63.0295359497477
1964	63.0071211078324
1965	62.9948753324008
1966	62.9754209306069
1967	62.9474654664863
1968	62.9017991652545
1969	62.8623062990035
1970	62.8291009726346
1971	62.7853534625623
1972	62.7952440768814
1973	62.945573194677
1974	63.243901894615
1975	63.6443930764203
1976	64.0937840493212
1977	64.5212915601955
1978	64.9126413778815
1979	65.2840532601026
1980	65.6502914058422
1981	66.0376542776105
1982	66.4240037455061
1983	66.7440569777227
1984	66.9579072828999
1985	67.080559320038
1986	67.1117994138534
1987	67.0494502351216
1988	66.9173096499279
1989	66.7563876151697
1990	66.5682210612315
1991	66.3672846613173
1992	66.1606829653705
1993	65.9926976905935
1994	65.9423600298797
1995	65.9406354096685
1996	65.949180311132
1997	65.9763584653477
1998	66.0378138324798
1999	66.1556149461852
2000	66.2850262797369
2001	66.4330383450997
2002	66.6156398588201
2003	66.7716284666431
2004	66.885628461011
2005	67.0102382279942
2006	67.1242395457144
2007	67.2165150076358
2008	67.2624871002232
2009	67.2360987134328
2010	67.14269125843
2011	67.0181358621007
2012	66.8867912517738
2013	66.7108019494817
2014	66.4716925534925
2015	66.1803426014449
2016	65.8488921824463
2017	65.4942071648677
2018	65.1723019928706
2019	64.8477246889613
2020	64.5098610361822
2021	64.2273582568033
2022	63.8801223975521
2023	63.355511603264