Year	% of total population
1960	49.8779788074338
1961	49.5404163773658
1962	49.0746345278997
1963	48.4247397951769
1964	47.8328198318981
1965	47.388411836708
1966	47.0329753042745
1967	46.7815417925933
1968	46.6840897070904
1969	46.7689922269751
1970	47.0404139840702
1971	47.500803518134
1972	48.205479090231
1973	49.0417100857616
1974	49.8375868305289
1975	50.6193618309904
1976	51.4132371435435
1977	52.2334151092311
1978	53.072329460871
1979	53.9103036341762
1980	54.8624144255582
1981	55.8494009721731
1982	56.6952831788978
1983	57.4160075274967
1984	58.0157180679374
1985	58.5084387667997
1986	58.9012467760187
1987	59.2048469638443
1988	59.4336045078884
1989	59.5885488154432
1990	59.6758133134346
1991	59.6994814667016
1992	59.6647839616896
1993	59.5807043503995
1994	59.4512920600871
1995	59.6019471104053
1996	60.0746449408507
1997	60.5946523025085
1998	61.1563858286645
1999	61.7413244115309
2000	62.3121993075135
2001	62.8381379727058
2002	63.2947387958827
2003	63.6640001587995
2004	63.8396739343325
2005	63.8675020993976
2006	63.8884339276564
2007	63.9099453353184
2008	63.9527435769696
2009	64.0279303020258
2010	64.1365733958394
2011	64.2814905102179
2012	64.4763895321804
2013	64.7275364528936
2014	65.0034580695897
2015	65.2560059081628
2016	65.4659963917978
2017	65.6388842321501
2018	65.7892808748986
2019	65.9577994687661
2020	66.1170550105837
2021	66.2521646142766
2022	66.3626412832169
2023	66.4006360346353