Year	% of total population
1960	73.75973599486412
1961	72.99388449066049
1962	72.33852965992642
1963	71.77686246171496
1964	71.20073207175703
1965	71.096073488561
1966	71.01455083517155
1967	70.89617933229783
1968	70.7736187358542
1969	70.65944581301835
1970	70.55354608581077
1971	70.46234604110978
1972	70.35076481276738
1973	70.16316730016945
1974	69.8953368302338
1975	69.60913945886233
1976	69.3293066179612
1977	69.03423009421043
1978	68.555399511164
1979	67.88480406097277
1980	67.20345357055076
1981	66.52421669415965
1982	65.85409104204133
1983	65.27504430189664
1984	64.67322007920379
1985	64.07285719563612
1986	63.48002375621931
1987	62.89151183810188
1988	62.300075043308404
1989	61.728449582190656
1990	61.19263501432729
1991	60.5690214480891
1992	59.91526074756841
1993	59.261929604182185
1994	58.599575079868806
1995	57.93185282172001
1996	57.249744209581614
1997	56.55140110106628
1998	55.83801276924575
1999	55.11050025728514
2000	54.36028167766225
2001	53.48450117380824
2002	52.53777492315421
2003	51.575142500022416
2004	50.5981192444868
2005	49.607918046010106
2006	48.62690922809427
2007	47.646582030050304
2008	46.65906181074965
2009	45.67429883025242
2010	44.69464906755467
2011	43.774052656329886
2012	42.87760236306401
2013	41.97960980672491
2014	41.082586941076535
2015	40.19161962078141
2016	39.30509727870702
2017	38.426165703120034
2018	37.56363813834782
2019	36.72054525193838
2020	35.90525084221813
2021	35.119066914799966
2022	34.34609928956895
2023	33.59164047987465