Year	% of total population
1960	51.9930675909879
1961	51.673492286115
1962	51.3490405740322
1963	50.9961577520232
1964	50.637295227649
1965	50.4590318958214
1966	50.4398658910508
1967	50.3832998081184
1968	50.2997137868342
1969	50.2179591337544
1970	50.1339232738307
1971	49.9608560574221
1972	49.7293824781177
1973	49.5480407272044
1974	49.4176334637651
1975	49.4968080272342
1976	49.751827583945
1977	49.9964359032847
1978	50.1382270813942
1979	50.1942952748469
1980	50.2709751829984
1981	50.3750111420967
1982	50.5076377675075
1983	50.6746599641624
1984	50.8796745496417
1985	51.1291358543975
1986	51.4300885543135
1987	51.7588453874737
1988	51.9600153706053
1989	52.0535349935173
1990	52.195166475665
1991	52.3935177117821
1992	52.523495281506
1993	52.5870036782043
1994	52.7918525221993
1995	53.2657167718077
1996	53.9017014938846
1997	54.540055609045
1998	55.1864352009766
1999	55.8764199069384
2000	56.5247944426789
2001	57.0427473347119
2002	57.473558261118
2003	57.8435669245561
2004	58.2268087492989
2005	58.6582837569858
2006	59.1336433939855
2007	59.6693203812584
2008	60.2031194660755
2009	60.6781468004728
2010	61.2422446845591
2011	61.6978876046234
2012	61.9756633897553
2013	62.2942744419227
2014	62.5761300264162
2015	62.8202610050109
2016	62.9758336327786
2017	63.0523270292175
2018	63.1363304456003
2019	63.188137746513
2020	63.2858041237573
2021	63.4211666121576
2022	63.5344767177044
2023	63.6820454072068