Year	% of total population
1960	53.91476747450745
1961	53.83016124374897
1962	53.728630726842674
1963	53.59448428651198
1964	53.425146540110056
1965	53.26389050650833
1966	53.12497757856725
1967	52.99115169894047
1968	52.86304608986196
1969	52.73662836381331
1970	52.60841840199758
1971	52.47891991259312
1972	52.35074671552487
1973	52.2425091666466
1974	52.159177870241514
1975	52.079701436509055
1976	51.993811442585766
1977	51.92026603048644
1978	51.863798510708484
1979	51.80209744119951
1980	51.746844871092904
1981	51.68343316731593
1982	51.612506402243135
1983	51.55904141172608
1984	51.515975772540656
1985	51.480861659216366
1986	51.4558158933617
1987	51.43051567138686
1988	51.42151631180188
1989	51.43177406642794
1990	51.44569417248868
1991	51.4690297430357
1992	51.50170421647604
1993	51.541094543685745
1994	51.65344762097719
1995	51.79780135550693
1996	51.88551330762241
1997	51.979272073549
1998	52.12653384241779
1999	52.291393416140764
2000	52.43991892695524
2001	52.57916818792893
2002	52.711323826678736
2003	52.837791839314754
2004	52.95533843606561
2005	53.05225624702699
2006	53.13110537430138
2007	53.201873781200035
2008	53.263833134196766
2009	53.32109660801591
2010	53.3812539885203
2011	53.44341945272364
2012	53.501945242834275
2013	53.57214734004426
2014	53.673687623802216
2015	53.80485793522663
2016	53.93666588208582
2017	54.078204328859776
2018	54.247464534512886
2019	54.4335921413221
2020	54.64745258376173
2021	54.88486659611851
2022	55.13473213890903
2023	55.39948391134108