Year	% of total population
1960	54.1642819821496
1961	54.0773179804653
1962	54.1336539228642
1963	54.2549911892032
1964	54.3268956573692
1965	54.3175091806554
1966	54.2823682531302
1967	54.2761426091385
1968	54.3115434296826
1969	54.3679990751841
1970	54.4301819687666
1971	54.4764965556628
1972	54.5029884105806
1973	54.5302575911971
1974	54.5527345109656
1975	54.5585020016527
1976	54.5439619039553
1977	54.5402268201013
1978	54.5489478754366
1979	54.540405575489
1980	54.5293798328953
1981	54.5322274504952
1982	54.5391074884547
1983	54.5379233054083
1984	54.5275802095893
1985	54.5063575725106
1986	54.4765060838051
1987	54.4537017939853
1988	54.4529451174348
1989	54.4994280818099
1990	54.6217999258074
1991	54.7985121640581
1992	55.0096699165992
1993	55.280934863853
1994	55.6344679825666
1995	56.0399010969946
1996	56.4718109966729
1997	56.9362929247922
1998	57.431099546246
1999	57.9495372246053
2000	58.4920208518061
2001	59.0479127912642
2002	59.6217950218109
2003	60.2000195554901
2004	60.7449245670864
2005	61.2247726959576
2006	61.6257344326582
2007	61.9756425284253
2008	62.2666979904206
2009	62.4729474856181
2010	62.5762913710118
2011	62.6050489834905
2012	62.5500750755889
2013	62.4388623343338
2014	62.3135796970477
2015	62.1581338756495
2016	62.064689420064
2017	62.0385310214885
2018	62.0201091537155
2019	62.0275164227355
2020	62.0811053006271
2021	62.174485768417
2022	62.3052359001775
2023	62.4669613322301