Year	% of total population
1960	49.5885858244149
1961	49.3227545139081
1962	49.136167226187
1963	49.0126517835422
1964	48.9395124674212
1965	48.8918537543784
1966	48.8594643576015
1967	48.8451844231181
1968	48.8575377576773
1969	48.8999086819668
1970	48.965950927422
1971	49.1719819275294
1972	49.5284237323466
1973	49.9436540020045
1974	50.4223597516878
1975	50.9563908826506
1976	51.5398728024922
1977	52.1582577904799
1978	52.7936524251293
1979	53.4243833785786
1980	54.0342120768387
1981	54.7362656248798
1982	55.5238742058018
1983	56.26367838021
1984	56.9444605525466
1985	57.5574856568967
1986	58.0964674408074
1987	58.5602041624684
1988	58.9450853714813
1989	59.2458198133344
1990	59.4713140453999
1991	59.6831862533959
1992	59.8472747577846
1993	59.9360670887372
1994	59.9958508216974
1995	60.0156048474802
1996	59.9937232150144
1997	59.9344421625215
1998	59.8484332886435
1999	59.7545032149802
2000	59.6729995744686
2001	59.6240241797451
2002	59.6290920904063
2003	59.7736672182328
2004	60.0624388088495
2005	60.4274136544387
2006	60.903585662624
2007	61.4619677034955
2008	62.0333488032885
2009	62.6031935766408
2010	63.1547140346409
2011	63.6654663208954
2012	64.1250406604603
2013	64.4174196453001
2014	64.5478388795324
2015	64.6346971183965
2016	64.6763150995867
2017	64.6697290016928
2018	65.1945095822608
2019	65.3721488369997
2020	65.0810585021111
2021	65.1226684663925
2022	65.1092366940328
2023	65.0767847005655