Year	% of total population
1960	55.2892814473114
1961	55.1325333878861
1962	54.9716338372524
1963	54.8097029713446
1964	54.6541789828952
1965	54.5104380493235
1966	54.372023301138
1967	54.2409711708688
1968	54.1164532685898
1969	54.003913508455
1970	53.9077021315294
1971	53.8195511286093
1972	53.7430916364465
1973	53.6794095441266
1974	53.6266616869403
1975	53.5884264990783
1976	53.55916020458
1977	53.5377081954018
1978	53.5229636586695
1979	53.5172230144211
1980	53.5129619200149
1981	53.5037183405974
1982	53.4981075932613
1983	53.4898019791786
1984	53.4795347742937
1985	53.4642375452362
1986	53.4245765644252
1987	53.3720249695028
1988	53.3274947065267
1989	53.2816692193873
1990	53.2396000393152
1991	53.2146950878006
1992	53.1962435328989
1993	53.1857021107041
1994	53.2024043007447
1995	53.2410041354671
1996	53.2822770635136
1997	53.3221663767565
1998	53.359277259515
1999	53.3911127585457
2000	53.4166438924532
2001	53.4357349212236
2002	53.4582593187355
2003	53.4873758652747
2004	53.51558124874
2005	53.5459458491018
2006	53.575845342137
2007	53.5964533228523
2008	53.6155424095198
2009	53.6403733335738
2010	53.673269089929
2011	53.7161451124711
2012	53.7483382332264
2013	53.759429879074
2014	53.76526023653
2015	53.7682737238456
2016	53.7692403567739
2017	53.776346133799
2018	53.789945804137
2019	53.8173930850113
2020	53.8599339405049
2021	53.9055437225097
2022	53.9560966943312
2023	53.9882239211104
