Year	% of total population
1960	53.68887078545078
1961	53.5229047578226
1962	53.38566364267038
1963	53.285239863439706
1964	53.23306803914438
1965	53.22068123213874
1966	53.2340047703151
1967	53.27891500891195
1968	53.35866891084714
1969	53.470881573252825
1970	53.616948347742806
1971	53.80251022292841
1972	54.020179187444306
1973	54.25420520612979
1974	54.502145087979216
1975	54.76049309409669
1976	55.023796698469596
1977	55.29669098000799
1978	55.580021302151344
1979	55.86924861307412
1980	56.16555661493915
1981	56.46394348093197
1982	56.74955679300762
1983	57.02136722729852
1984	57.28799999423755
1985	57.55424019565899
1986	57.82531158000563
1987	58.10208721420891
1988	58.381675956370124
1989	58.660772365340975
1990	58.94799055326626
1991	59.24601926597982
1992	59.54858844903097
1993	59.854862755826495
1994	60.16544396354909
1995	60.48140895025124
1996	60.8072692993508
1997	61.1466061395609
1998	61.49264662668132
1999	61.84013500521653
2000	62.1859233280864
2001	62.52823891361501
2002	62.87138364560523
2003	63.21809297649895
2004	63.56501969369402
2005	63.90418454535689
2006	64.23375409453021
2007	64.55445149642651
2008	64.86647485961979
2009	65.16954624187323
2010	65.46806268167902
2011	65.74701720974086
2012	66.00346153483954
2013	66.24908398406063
2014	66.47138951618926
2015	66.66434146507594
2016	66.83864143832031
2017	66.98909950929648
2018	67.1082107405812
2019	67.21531581557767
2020	67.3343860441655
2021	67.46217456551298
2022	67.57376372877198
2023	67.65191471842081