Year	% of total population
1960	55.5387909615749
1961	55.4680416036981
1962	55.2562798203761
1963	54.9790143221842
1964	54.36383471976
1965	53.5464887204809
1966	52.8585922742533
1967	52.2282811561744
1968	51.6821475310415
1969	51.258197107088
1970	51.3504088038129
1971	51.8678061094514
1972	52.3858103408301
1973	52.9427733738734
1974	53.5788531163624
1975	54.3187319434684
1976	55.0972409967104
1977	55.8440039303149
1978	56.5705713641698
1979	57.2362769604619
1980	57.8760816464914
1981	58.5556998301998
1982	59.2261288814282
1983	59.8443615459883
1984	60.4247148550752
1985	60.8204710367728
1986	61.0092487424955
1987	61.1545782992114
1988	61.2344096777219
1989	61.2189736860715
1990	61.1625189489641
1991	61.4262815476003
1992	61.9905968233347
1993	62.4803481510173
1994	62.8809339217557
1995	63.2328430655867
1996	63.5319063583484
1997	63.8396461543862
1998	64.2093369343549
1999	64.6171143712494
2000	64.9450403037772
2001	65.2417503116184
2002	65.6370231232593
2003	66.0747106929919
2004	66.5395675251137
2005	67.0673227409884
2006	67.5667991421031
2007	68.0133633276637
2008	68.4027819485652
2009	68.736063217541
2010	69.1213022930159
2011	69.539023855919
2012	69.9380660172913
2013	70.290518322655
2014	70.5472006813394
2015	70.7790150154825
2016	70.9637882393211
2017	71.0526893403132
2018	71.1406759035421
2019	71.1843155135074
2020	71.1128377795044
2021	70.9862206941681
2022	70.8344442903917
2023	70.6966213493393