Year	% of total population
1960	49.88960671879206
1961	49.887213876586316
1962	49.885382726194116
1963	49.882785870779735
1964	49.8797672359124
1965	49.87602788762382
1966	49.87168049834539
1967	49.8664169676075
1968	49.86022454257078
1969	49.8547317521966
1970	49.85173698462035
1971	49.90153849736924
1972	49.952421226038176
1973	49.953910499993505
1974	49.95176191327996
1975	49.96463409943344
1976	49.98695756962362
1977	49.99731046140851
1978	50.00551708052885
1979	50.01452169729744
1980	50.02016880638663
1981	50.02350887956953
1982	50.02470198531824
1983	50.02294350956093
1984	50.02386838465833
1985	50.0235550947389
1986	50.01918478821013
1987	50.01464979795656
1988	50.0167935185577
1989	50.018293270812066
1990	50.011569401862374
1991	50.00282697864758
1992	49.994872084338695
1993	49.98973186658162
1994	49.98917461494166
1995	49.99523454463111
1996	50.00686665370235
1997	50.01884261794293
1998	50.03221409271408
1999	50.04687391998723
2000	50.0560976156538
2001	50.065541049082775
2002	50.07777831447171
2003	50.090976059386286
2004	50.105390275621964
2005	50.12253441820775
2006	50.145810557942106
2007	50.17001822762663
2008	50.195906549133305
2009	50.22154686824605
2010	50.237895452810314
2011	50.24848744032324
2012	50.25773709415058
2013	50.26663729819325
2014	50.27402352666247
2015	50.27735873291121
2016	50.27517860026596
2017	50.2711263620526
2018	50.27093274039269
2019	50.27403627990391
2020	50.272386686363056
2021	50.267439102254095
2022	50.26878108912492
2023	50.27346475611536