Year	% of total population
1960	49.3488444188729
1961	49.0067187516915
1962	48.6282517990186
1963	48.1853697440192
1964	47.9775511465881
1965	48.0552650760369
1966	48.1440400773363
1967	48.2198270659279
1968	48.2845520094508
1969	48.3405127530065
1970	48.3756760748799
1971	48.3785541435013
1972	48.3520267117719
1973	48.2957873857274
1974	48.2216954752753
1975	48.1122159655868
1976	47.9578626442679
1977	47.6658070206867
1978	47.0264179711921
1979	46.3430647974491
1980	46.8708607721556
1981	47.6846413374176
1982	47.9427957116838
1983	47.9865737453425
1984	47.9806912298253
1985	48.1842705418338
1986	48.4326972015277
1987	48.3991761347912
1988	48.155342098891
1989	48.3475545141314
1990	48.8863141027891
1991	49.5051607684277
1992	49.8714185151136
1993	50.0705285579752
1994	50.4752779227219
1995	51.1142012698424
1996	51.9818447937502
1997	52.8870327280725
1998	53.7379623641929
1999	54.4406885205759
2000	54.9202591215738
2001	55.1716599246367
2002	55.2964985860239
2003	55.3135712386111
2004	55.1670534738785
2005	54.9306785556599
2006	54.7707593128902
2007	54.6353708521571
2008	54.4186645031144
2009	54.1691752478941
2010	53.8895963911504
2011	53.6479260175106
2012	53.55695609857
2013	53.6349939395097
2014	53.799450668614
2015	54.0297035585535
2016	54.3147028294946
2017	54.6145843622113
2018	54.9078459311951
2019	55.1852465131395
2020	55.4676532352381
2021	55.7433527470244
2022	56.0441516109427
2023	56.425937594029