Year	% of total population
1960	49.97106552922405
1961	49.970649305788825
1962	49.97616132112498
1963	49.98718330879129
1964	49.99774892717114
1965	50.00448012051425
1966	50.00892563784909
1967	50.01250661028674
1968	50.018807619841766
1969	50.028630042807855
1970	50.03930918385919
1971	50.04929234331135
1972	50.0626125495564
1973	50.078635945726035
1974	50.0934340563687
1975	50.104460590098185
1976	50.11054329175821
1977	50.11579685963064
1978	50.120573283968376
1979	50.123390702295715
1980	50.130063313143424
1981	50.138883118070936
1982	50.14359493339858
1983	50.14544531568998
1984	50.14624101502697
1985	50.14700414213302
1986	50.15246753030441
1987	50.162876036201034
1988	50.172906331844004
1989	50.18416808514898
1990	50.19632409178867
1991	50.207701107810855
1992	50.21711900274353
1993	50.223404184495074
1994	50.22966266491174
1995	50.235407861745735
1996	50.24071462077003
1997	50.24801316571265
1998	50.25584042937387
1999	50.26312904404582
2000	50.271480867840296
2001	50.27769531596306
2002	50.28103438270464
2003	50.283969502366446
2004	50.286629548439194
2005	50.28974005077867
2006	50.294311810814854
2007	50.30016886950368
2008	50.305176606287745
2009	50.308147471547294
2010	50.30932605862914
2011	50.31163422632646
2012	50.31547589055608
2013	50.318569344527525
2014	50.321306166389526
2015	50.32401665887509
2016	50.32351560811698
2017	50.31976445467273
2018	50.31481818533733
2019	50.30758243600155
2020	50.294213035243416
2021	50.27731790082622
2022	50.26463679178049
2023	50.25252838176258