Year	% of total population
1960	50.35534571804995
1961	50.355655821749664
1962	50.3525226289838
1963	50.34620773464013
1964	50.34045560274411
1965	50.33419087203556
1966	50.326834818096735
1967	50.32157861661436
1968	50.31823606421572
1969	50.31448208162248
1970	50.31138996954558
1971	50.307323086889404
1972	50.303423939013044
1973	50.2980423152747
1974	50.28800972164955
1975	50.27625181541466
1976	50.26621833059068
1977	50.25902407103572
1978	50.254981043705705
1979	50.253316534545
1980	50.255801250532485
1981	50.263665106843455
1982	50.27258401607312
1983	50.279390321517305
1984	50.28627261761361
1985	50.28924196416527
1986	50.28805012391507
1987	50.28659371164892
1988	50.29188277367535
1989	50.296685762646696
1990	50.29452340123004
1991	50.29344337114417
1992	50.29258496136998
1993	50.289914154884364
1994	50.27967414779994
1995	50.271360907413865
1996	50.27463797982053
1997	50.2781768430811
1998	50.27958857741101
1999	50.28065323887843
2000	50.27657906121224
2001	50.27036369720684
2002	50.261290773388254
2003	50.24971403828713
2004	50.239591652203224
2005	50.23056522591531
2006	50.22132269166826
2007	50.21086864205136
2008	50.19981531150501
2009	50.18943315732804
2010	50.17847283452885
2011	50.16695154911587
2012	50.15616085965293
2013	50.14507853623497
2014	50.134154419717554
2015	50.12130288796426
2016	50.10642304174057
2017	50.09326702804838
2018	50.08331173971119
2019	50.07510146863773
2020	50.067813949112114
2021	50.06237433876254
2022	50.05801837355818
2023	50.05319441254357