Year	% of total population
1960	57.7364217928637
1961	57.732504525732
1962	57.9642432974401
1963	58.1742466331621
1964	58.085926872007
1965	57.7315391489486
1966	57.5531212291858
1967	57.6325069278575
1968	57.7466260501724
1969	57.8027573513973
1970	57.7520201182072
1971	57.7110605284507
1972	57.813873798191
1973	57.944038621532
1974	58.0306700897094
1975	58.0874053312632
1976	58.1379073593775
1977	58.2251487597097
1978	58.3935725476778
1979	58.5735007449511
1980	58.6979014780678
1981	58.8184806388059
1982	58.9884655013949
1983	59.2074843437896
1984	59.4385996171222
1985	59.7157000361404
1986	60.0227211346231
1987	60.3089478327689
1988	60.5838143183449
1989	60.9227935060127
1990	61.3934600141247
1991	61.9289178611817
1992	62.4654408115709
1993	63.0412753476041
1994	63.683235716157
1995	64.3880595013468
1996	65.0874559988998
1997	65.7124431685507
1998	66.2435061395881
1999	66.7009685579885
2000	67.1057765285058
2001	67.4888966309377
2002	67.8150199364064
2003	68.0127971142078
2004	68.1770838435801
2005	68.4525475554481
2006	68.8429919997525
2007	69.0357591596377
2008	68.7977081984573
2009	68.2435801206389
2010	67.5513997416338
2011	66.8824255952414
2012	66.3338007032457
2013	65.9063896869617
2014	65.6557664775238
2015	65.5228730153287
2016	65.4157656595001
2017	65.3530436338836
2018	65.3113337099315
2019	65.2990419359075
2020	65.2778471363103
2021	65.2577666295132
2022	65.2795873312312
2023	65.3245459279728