Year	% of total population
1960	50.0430353701477
1961	49.7401348267495
1962	49.4722629960949
1963	49.2215058419198
1964	49.09848863105
1965	49.1450284175043
1966	49.2244782323644
1967	49.3296520342351
1968	49.4228346934333
1969	49.4386437503188
1970	49.3921398168742
1971	49.2885994559393
1972	49.1455290404621
1973	48.9814684787301
1974	48.7872606262535
1975	48.5667324128863
1976	48.34320252961
1977	48.1437432697556
1978	47.9970512453223
1979	47.8848333985217
1980	47.7869534419043
1981	47.664227831606
1982	47.5660386577748
1983	47.562911371453
1984	47.6024762919993
1985	47.7110992944908
1986	47.9356653183145
1987	48.253915739275
1988	48.9350279570109
1989	49.3622204209327
1990	49.6504728861806
1991	50.3183897252087
1992	50.9537758129631
1993	51.3105550259006
1994	50.6639929750062
1995	50.2467561476678
1996	50.8733935059766
1997	51.4886942408356
1998	52.1265572808241
1999	52.8126810491275
2000	53.4801913446576
2001	54.1204306527008
2002	54.7252425156439
2003	55.2803795250648
2004	55.8080662360833
2005	56.2926467926627
2006	56.7384174859393
2007	57.1830848189844
2008	57.6437556772826
2009	58.0795626211313
2010	58.3778365699324
2011	58.5629808620903
2012	58.7133944670177
2013	58.853287836476
2014	59.019154161467
2015	59.2226104471505
2016	59.4468037432912
2017	59.6896100845022
2018	59.9604025240698
2019	60.2688667106128
2020	60.6125836929501
2021	60.9774120145504
2022	61.3046171974763
2023	61.621510685101
