Year	% of total population
1960	55.379976513905
1961	55.2440859437503
1962	55.1347679806735
1963	55.0130673727432
1964	54.8029187538406
1965	54.6599306732295
1966	54.6336208445532
1967	54.5919282547201
1968	54.540242827567
1969	54.4792889735543
1970	54.4071599154183
1971	54.331087461306
1972	54.2524988516143
1973	54.1637077087666
1974	54.0455301569591
1975	53.8640331660427
1976	53.609054508659
1977	53.3081585108432
1978	53.010411915497
1979	52.7615961960608
1980	52.5877708987013
1981	52.4927373032219
1982	52.4600271911953
1983	52.4603814878744
1984	52.4721930056032
1985	52.4956612853286
1986	52.5287396195214
1987	52.5664211175754
1988	52.6078099142777
1989	52.6475716231057
1990	52.6769912914589
1991	52.6883640888578
1992	52.6845133614523
1993	52.6740679777756
1994	52.6790365250225
1995	52.7219553714795
1996	52.8102580654627
1997	52.9680154741131
1998	53.202625577684
1999	53.49502453673
2000	53.8352354593284
2001	54.2261120019595
2002	54.6788222331349
2003	55.2043134684094
2004	55.8018209422663
2005	56.531043213958
2006	57.3597520462557
2007	58.1630291782563
2008	58.9048742381164
2009	59.5695665576954
2010	60.1656683010938
2011	60.7147485403057
2012	61.2276818619582
2013	61.7286936626741
2014	62.2335594027845
2015	62.7196066722859
2016	63.1497835152338
2017	63.5063476746009
2018	63.8076423726906
2019	64.0812539785828
2020	64.347093251782
2021	64.6260853872175
2022	64.9030310878248
2023	65.1594226895632