Year	% of total population
1960	52.3615562571747
1961	52.2718186151231
1962	52.1826998938033
1963	52.096978031767
1964	52.0127389626004
1965	51.9296977202274
1966	51.8509367642028
1967	51.7752508229482
1968	51.7028710010761
1969	51.6307427547122
1970	51.558107759928
1971	51.4889516546048
1972	51.4226297740977
1973	51.3593688998506
1974	51.2996186928933
1975	51.2438944766675
1976	51.192531114816
1977	51.1462717407303
1978	51.1083120447565
1979	51.0775657661008
1980	51.0494559250943
1981	51.0220168668873
1982	50.9961930107772
1983	50.9747751781962
1984	50.9584982308698
1985	50.9415660229815
1986	50.92141244132
1987	50.9008193377093
1988	50.8766617601039
1989	50.8486890723902
1990	50.8201843644557
1991	50.7912268285596
1992	50.7614637312108
1993	50.717143392402
1994	50.6741067705441
1995	50.6382771816672
1996	50.592518206407
1997	50.5435706696669
1998	50.5014517366847
1999	50.4667612076678
2000	50.4356444670159
2001	50.4056757303515
2002	50.3727974834572
2003	50.3389253823633
2004	50.304361715684
2005	50.2936221588312
2006	50.2821437713973
2007	50.2455028532819
2008	50.2138277245449
2009	50.1886069620608
2010	50.1650167112901
2011	50.1417073978191
2012	50.1143490194504
2013	50.0848407126775
2014	50.0568166616485
2015	50.0309847913381
2016	50.0069049212328
2017	49.9843361678273
2018	49.9632139970553
2019	49.9438344131424
2020	49.9271184817232
2021	49.9133369931818
2022	49.9036686062256
2023	49.8956816201589
