Year	% of total population
1960	51.4750768953773
1961	51.2921128607949
1962	51.1549413353074
1963	50.9957039199161
1964	50.8794860619003
1965	50.8885709485478
1966	50.946090426555
1967	51.0097283482993
1968	51.0909690580822
1969	51.1888856552691
1970	51.3118734739873
1971	51.4875111347207
1972	51.7367748820521
1973	52.0336812151239
1974	52.32462914606
1975	52.2165528791892
1976	51.8514028873656
1977	51.6796980361258
1978	51.6651803298908
1979	51.7801716928055
1980	52.0078800905708
1981	52.3189043557952
1982	52.6916000213728
1983	53.1151956151956
1984	53.5645014796885
1985	54.0200205659396
1986	54.4702230310223
1987	54.907877316623
1988	55.3226700394836
1989	55.70274756254
1990	56.0585700662537
1991	56.395097679566
1992	56.7576912902549
1993	57.2711602953426
1994	58.0176782095467
1995	58.8027480964041
1996	59.4874020232424
1997	60.1125959249341
1998	60.6486016906516
1999	61.0835729849983
2000	61.4632760966241
2001	61.8157071451306
2002	62.1441214776814
2003	62.4765184082354
2004	62.7994847223847
2005	63.5400758368308
2006	64.6653779628816
2007	65.7159803527779
2008	66.6947901278961
2009	67.6312478218976
2010	68.3682647948729
2011	68.8395471518389
2012	69.2156883707008
2013	69.5667616586009
2014	69.8765350858899
2015	70.1620981569136
2016	70.529024791352
2017	70.9807044086338
2018	71.3903865177507
2019	71.7229501853918
2020	71.5622990420077
2021	71.2195145221766
2022	71.2430065022706
2023	71.3517597154304