Year	% of total population
1960	51.5269335863321
1961	51.458723708714
1962	51.2788417377878
1963	51.2892607843448
1964	51.5276179342325
1965	51.8787864407852
1966	52.322097354097
1967	52.8335090602252
1968	53.3949853127617
1969	54.0105103240163
1970	54.6892570973557
1971	55.4320213862101
1972	56.2380274367825
1973	57.0728869105398
1974	57.885462052604
1975	58.6618476807176
1976	59.4085979697078
1977	60.1299948661726
1978	60.8138059157409
1979	61.4373195877385
1980	61.9916951610961
1981	62.4764321542493
1982	62.9009765026664
1983	63.2832982381254
1984	63.6117125405532
1985	63.8688145186684
1986	64.0730740302119
1987	64.2631409314809
1988	64.4675826424054
1989	64.6551732142575
1990	64.8113804584101
1991	65.0223520830022
1992	65.3119564070889
1993	65.6661536886765
1994	66.0912461284859
1995	66.5639120588343
1996	67.0346563278757
1997	67.4473108455344
1998	67.7937533476165
1999	68.0271823847926
2000	68.1682875789365
2001	68.2810429031268
2002	68.3673130346556
2003	68.4771077160842
2004	68.6332954781746
2005	68.8580244950908
2006	69.1657831047141
2007	69.5348753014362
2008	69.9127957679158
2009	70.2386770505541
2010	70.5040792313746
2011	70.7331200235105
2012	70.9142890619514
2013	71.014413591474
2014	71.0986689636785
2015	71.1743699314776
2016	71.191295228188
2017	71.1911769192359
2018	71.1991023493851
2019	71.2144144894733
2020	71.1871569989078
2021	71.0683420656248
2022	70.8996136114059
2023	70.6827536201797