Year	% of total population
1960	54.0322100510008
1961	54.1634234645455
1962	54.3674569199043
1963	54.5922543319461
1964	54.7606008175264
1965	54.9072316067168
1966	55.0911940617298
1967	55.2833512862492
1968	55.4814648494131
1969	55.7059385156141
1970	55.9558500122167
1971	56.2301774963933
1972	56.5400659121789
1973	56.9015956810679
1974	57.3121949496344
1975	57.7233185976581
1976	58.0817128762625
1977	58.3909728422859
1978	58.6536019139475
1979	58.860822265789
1980	59.0348893805658
1981	59.1895324390855
1982	59.3886339136328
1983	59.660933710361
1984	59.9503924299629
1985	60.2507634378547
1986	60.5719942921909
1987	60.9173132588056
1988	61.2818259068276
1989	61.618928093401
1990	61.9344413021691
1991	62.2677484662402
1992	62.613894998297
1993	63.0141103434236
1994	63.5003362250763
1995	64.0168784913387
1996	64.5366960174553
1997	65.0193742276902
1998	65.4245056011198
1999	65.7676907656802
2000	66.0623770163042
2001	66.3207062265215
2002	66.5233647955401
2003	66.6642050688021
2004	66.7778383146068
2005	66.8680598922449
2006	66.9312076782778
2007	66.9516650132109
2008	66.9320284038329
2009	66.8864553561187
2010	66.8391807217316
2011	66.793092004851
2012	66.655954778258
2013	66.435703061409
2014	66.2142822201151
2015	66.0259091173786
2016	65.8929801105169
2017	65.7866431857347
2018	65.6886798441757
2019	65.6220946431316
2020	65.6098081519803
2021	65.6286956579049
2022	65.6453789259259
2023	65.6687104470219