Year	% of total population
1960	53.558638507417626
1961	53.38203339662417
1962	53.234281883513454
1963	53.12547804353029
1964	53.06841890771743
1965	53.052240222497424
1966	53.06054431609749
1967	53.100076244029914
1968	53.17436359306446
1969	53.27974327098724
1970	53.41473387906781
1971	53.58635582009395
1972	53.7906425585588
1973	54.011612222850665
1974	54.2476884797034
1975	54.496268286643996
1976	54.75133175977065
1977	55.017729171831704
1978	55.29660462109472
1979	55.58308390028702
1980	55.87809336882574
1981	56.176323445063645
1982	56.461918818340116
1983	56.733750625921815
1984	57.002257683896985
1985	57.27308091211511
1986	57.55149121620098
1987	57.83796516235167
1988	58.1290240201508
1989	58.42141088703495
1990	58.723414111538084
1991	59.03675936061527
1992	59.35423214488566
1993	59.67425964138025
1994	59.99729531942877
1995	60.3248412185757
1996	60.66187407540845
1997	61.01276984969463
1998	61.36990346747407
1999	61.7269644157306
2000	62.08115564360227
2001	62.42956027104999
2002	62.77711867614476
2003	63.12724588059977
2004	63.476285069264904
2005	63.81751828809671
2006	64.15022346706088
2007	64.47640329334949
2008	64.79721645773883
2009	65.1121731114573
2010	65.4249602727365
2011	65.71879106272205
2012	65.99060106972736
2013	66.25290364434991
2014	66.49134038107931
2015	66.69947080153953
2016	66.89093446452165
2017	67.06564700405869
2018	67.21900470622126
2019	67.36124255815966
2020	67.50448594661341
2021	67.64830044291267
2022	67.76295548729172
2023	67.83203224696828