Year	% of total population
1960	50.80851444096351
1961	50.4647711401857
1962	50.148026512464504
1963	49.85554355882111
1964	49.59161144573771
1965	49.35993407020598
1966	49.16136873252236
1967	49.00036495455273
1968	48.88417403755495
1969	48.82397239755339
1970	48.82317629329114
1971	48.84287675744575
1972	48.85802843302189
1973	48.87143197060094
1974	48.8691429877053
1975	48.8488123213973
1976	48.8760656000808
1977	48.919870471762025
1978	48.99492111667077
1979	49.0987098777208
1980	49.235615742699956
1981	49.384439238913636
1982	49.52211714490756
1983	49.64458780236429
1984	49.75459194782357
1985	49.84875428953865
1986	49.861189890191554
1987	49.835114377039005
1988	49.7885475150759
1989	49.72466734605404
1990	49.67930826060342
1991	49.64792079031082
1992	49.61867400273707
1993	49.5957905848102
1994	49.57201456451443
1995	49.5474550384939
1996	49.500175570013695
1997	49.24357540625484
1998	49.002278186388324
1999	48.78338059929313
2000	48.61127310899866
2001	48.5071672030292
2002	48.45070575885068
2003	48.41991515925614
2004	48.391590201101394
2005	48.61069456982546
2006	48.820870714767736
2007	49.006249078079975
2008	49.17658985302114
2009	49.338816729841554
2010	49.49536948522229
2011	49.64548522044468
2012	49.78925482916278
2013	49.925706410188155
2014	50.05655044635934
2015	50.17826401529556
2016	50.30388726116553
2017	50.467389398632456
2018	50.68478880620664
2019	50.889494223122156
2020	51.10364686100027
2021	51.36522038607695
2022	51.631591033524074
2023	51.83581704112169