Year	% of total population
1960	59.2419628740411
1961	59.4599676038413
1962	59.6702228069674
1963	59.8304366256889
1964	59.9453140258363
1965	59.9562543848789
1966	59.9266802443992
1967	59.9014354966496
1968	59.8158408737593
1969	59.701924468239
1970	59.7480183779985
1971	59.9603720906295
1972	60.1529106452269
1973	60.2983910533003
1974	60.4070765632387
1975	60.5055875547679
1976	60.6462141787137
1977	60.8760637400256
1978	61.1907400126294
1979	61.5277843128029
1980	61.8397825985971
1981	62.1534863458143
1982	62.5106137282206
1983	62.8765237247725
1984	63.1727041098925
1985	63.3823368074602
1986	63.548933950577
1987	63.7042376254666
1988	63.8507650209223
1989	63.9292482627922
1990	63.7755639335285
1991	63.425940761154
1992	63.0783275912663
1993	62.7660989888238
1994	62.5172781038272
1995	62.4563406003881
1996	62.567402238434
1997	62.625434032655
1998	62.5944500167168
1999	62.5969228046501
2000	62.6704190803666
2001	62.8078711212023
2002	62.9718240659646
2003	63.1495099332159
2004	63.4287381351782
2005	63.7648447449344
2006	63.9993376523917
2007	64.0147638100555
2008	63.8092188839429
2009	63.5563034927059
2010	63.4135509192316
2011	63.3278564859307
2012	63.154686256884
2013	62.8030897600066
2014	62.2899235522909
2015	62.0097712863479
2016	61.8686868686869
2017	61.7274365176536
2018	61.6907074869983
2019	61.6019426868675
2020	61.510063913002
2021	61.4292331981433
2022	61.3708925493742
2023	61.3315311763767