Year	% of total population
1960	56.0538393348071
1961	55.8387371057817
1962	55.6483116508703
1963	55.4846334862094
1964	55.4770262972041
1965	55.6093956296323
1966	55.7379849229065
1967	55.844040029315
1968	55.8959104034098
1969	55.816601117781
1970	55.637708823019
1971	55.4592620968324
1972	55.3022314498857
1973	55.1510566162446
1974	54.9854848507271
1975	54.7896554950108
1976	54.5461133081763
1977	54.3176098195499
1978	54.1344167698848
1979	53.963311125308
1980	53.8116552245331
1981	53.6708200033676
1982	53.5359677710529
1983	54.0379338607369
1984	54.9328271803058
1985	55.442294630516
1986	55.6092686309626
1987	55.5259674662282
1988	55.3113918067409
1989	55.0511295784416
1990	54.7798405753207
1991	54.5156967147374
1992	54.2710505660392
1993	54.0558515750544
1994	53.8923724795923
1995	53.7982364391372
1996	53.7660516364473
1997	53.7868454513929
1998	53.8528172212394
1999	54.0020777721885
2000	54.1278758264876
2001	54.2995993857665
2002	54.6910254463673
2003	55.2379378508537
2004	55.8617059254195
2005	56.4710344831574
2006	56.9834910414256
2007	57.3552575345339
2008	57.5843127164949
2009	57.6930226140813
2010	57.7160675708949
2011	57.839676809472
2012	58.0549924998042
2013	58.1988213267349
2014	58.2639673312574
2015	58.2478639141245
2016	58.157487187497
2017	58.0380493749888
2018	57.9573215080439
2019	57.9677282577515
2020	57.9776241135529
2021	58.0856249336557
2022	58.3840425862197
2023	58.7593891891246