Year	% of total population
1960	54.29945596946928
1961	54.19952113971089
1962	54.07541430809609
1963	53.90739953793577
1964	53.69732280975358
1965	53.49150680426675
1966	53.30940054526597
1967	53.13822712817361
1968	52.981052089289356
1969	52.827946535615816
1970	52.67055811837862
1971	52.50260042435305
1972	52.31717113179119
1973	52.13732879559505
1974	51.98118351657356
1975	51.8322659367216
1976	51.69194291564629
1977	51.57734364311689
1978	51.490121556967324
1979	51.40471804137861
1980	51.3101109800256
1981	51.21181888011258
1982	51.12221867304455
1983	51.04131223925796
1984	50.963846354617736
1985	50.90131163007265
1986	50.857853195732545
1987	50.84298123058066
1988	50.87706972125261
1989	50.92842588296971
1990	50.978320115261184
1991	51.048554124835825
1992	51.12725506904109
1993	51.189385831009794
1994	51.32393424990696
1995	51.462434120949375
1996	51.500376804903695
1997	51.52658920570587
1998	51.59751391697882
1999	51.68718609430112
2000	51.76124863693136
2001	51.82576942323979
2002	51.875066679359136
2003	51.92355173819782
2004	51.98457785298359
2005	52.05082440175237
2006	52.10308269433993
2007	52.119922345644476
2008	52.150060255878486
2009	52.20484532545302
2010	52.25103732257017
2011	52.31069670518127
2012	52.37444535171885
2013	52.44599001811465
2014	52.54902661444279
2015	52.667795706274546
2016	52.80656762924522
2017	52.973566673101644
2018	53.161023355784344
2019	53.37166696192544
2020	53.61148079748221
2021	53.86756762545271
2022	54.13124126928545
2023	54.40910797884224