Year	% of total population
1960	53.0390652661395
1961	52.9445861349409
1962	52.8696442777588
1963	52.7991096271564
1964	52.6929786306149
1965	52.6371983771087
1966	52.5820614676981
1967	52.502302732576
1968	52.419597234746
1969	52.3229545231313
1970	52.1883603911516
1971	52.0014392372043
1972	51.8424180675836
1973	51.7399340994937
1974	51.6313462418052
1975	51.5481110869408
1976	51.4734366353071
1977	51.3892564170415
1978	51.2828654896482
1979	51.1478813041885
1980	51.0760233918129
1981	51.0332886505809
1982	51.0224785092637
1983	51.0065399550378
1984	50.9763617677287
1985	50.9313564491156
1986	50.8943455733273
1987	50.8732394366197
1988	50.8599098346969
1989	50.8759241401479
1990	50.8933031083106
1991	50.9107534747623
1992	50.9153677162883
1993	50.9121779079832
1994	50.9103061939016
1995	50.917626973965
1996	50.9270632274668
1997	50.9317293909328
1998	50.9378298644003
1999	50.9439874657266
2000	50.9128044782894
2001	50.85497150095
2002	50.7984737139627
2003	50.7455200401258
2004	50.7088283354679
2005	50.679478674
2006	50.6465740913714
2007	50.6032590086007
2008	50.5623691880367
2009	50.5094863313182
2010	50.4438362244332
2011	50.3207669573993
2012	50.1442138586001
2013	49.9896928468357
2014	49.8765929582431
2015	49.8087373380834
2016	49.7694964259899
2017	49.7428477060757
2018	49.7164169903212
2019	49.6703662261469
2020	49.5758494154002
2021	49.5156745332864
2022	49.5386138037435
2023	49.5844755446544