Year	% of total population
1960	53.9890166880981
1961	53.7211414478633
1962	53.4396609694088
1963	53.2077950322926
1964	53.0184736206099
1965	52.8198523702546
1966	52.628761173981
1967	52.4431046567661
1968	52.2598252984791
1969	52.0770097197092
1970	51.8986363175958
1971	51.7240625083541
1972	51.5498487147826
1973	51.3862467637707
1974	51.236885626878
1975	51.0865822591618
1976	50.9558861499035
1977	50.8694414984572
1978	50.8358482996004
1979	50.8759416145175
1980	50.9905666566079
1981	51.1553080928502
1982	51.3362779338833
1983	51.5335062803222
1984	51.6851968000831
1985	51.7641352022456
1986	51.8346829889739
1987	51.9208609492409
1988	52.0190064863829
1989	52.1558191021684
1990	52.3340397034503
1991	52.5231334202724
1992	52.6926668353856
1993	52.8897126169161
1994	53.0715053327366
1995	53.2072972083015
1996	53.3497183656152
1997	53.2945929556025
1998	53.2952081538449
1999	53.551893004811
2000	54.2425407542366
2001	54.8507099195753
2002	54.9257495441525
2003	55.1173002224313
2004	55.4723996803284
2005	55.8257113911064
2006	56.1567897810898
2007	56.3929031676717
2008	56.4340926615955
2009	56.6129920879295
2010	56.7519903629748
2011	56.5761626415509
2012	56.2910378418828
2013	55.9448901542678
2014	55.6638542859087
2015	55.4499893965428
2016	55.3359295915891
2017	55.325812666905
2018	55.3759817476809
2019	55.4942909213465
2020	55.6804211867263
2021	55.9210073124432
2022	56.2284521166336
2023	56.6110637054766