Year	% of total population
1960	51.731902854985954
1961	51.691135582585616
1962	51.65230070672583
1963	51.61645203602172
1964	51.58349338574981
1965	51.552899276928514
1966	51.52785314599387
1967	51.50993000253723
1968	51.49599499364127
1969	51.48558848538458
1970	51.48093470916985
1971	51.478271745386884
1972	51.47267032035154
1973	51.46639710629707
1974	51.45857479732279
1975	51.45041317762487
1976	51.44717635454861
1977	51.442849644685396
1978	51.437036066396026
1979	51.4332553554807
1980	51.430466840308895
1981	51.43089662829727
1982	51.431726231700814
1983	51.43222356964756
1984	51.43515303790469
1985	51.439475748657166
1986	51.44489099446965
1987	51.45148443689239
1988	51.46412689079337
1989	51.4812158849935
1990	51.499326448131555
1991	51.521844085494166
1992	51.54796392972458
1993	51.57379906573492
1994	51.59961827302966
1995	51.62855127094503
1996	51.65739916307164
1997	51.685006987064064
1998	51.71416224830393
1999	51.744854704786974
2000	51.752678740146905
2001	51.75224858478213
2002	51.76391651003208
2003	51.76711188776833
2004	51.766438427583246
2005	51.76321820817463
2006	51.76082808464312
2007	51.76095164496497
2008	51.758011696584724
2009	51.7487077498027
2010	51.73624881920845
2011	51.72246522161045
2012	51.70999567061278
2013	51.7004656330257
2014	51.68901840990889
2015	51.671818617938534
2016	51.65298212084355
2017	51.63443460217314
2018	51.613702122843485
2019	51.594009177206964
2020	51.58695677168557
2021	51.595563900333
2022	51.55510529779434
2023	51.515887964023754