Year	% of total population
1960	51.9411131354792
1961	51.430668080365
1962	51.0198568536624
1963	50.7433513542028
1964	50.5990819723804
1965	50.717420271533
1966	51.0553931077167
1967	51.4175848191824
1968	51.8009291910124
1969	52.1992423691477
1970	52.6079633754676
1971	53.0267657028999
1972	53.4521724261567
1973	53.8751125312592
1974	54.2883078605937
1975	54.6258144131034
1976	54.9455717518638
1977	55.2900820550804
1978	55.7002643395986
1979	56.1683034053733
1980	56.5613884256919
1981	56.9416118143962
1982	57.3331932742316
1983	57.6857734196484
1984	57.9576223985778
1985	58.1987293716588
1986	58.41898022996
1987	58.6565898048893
1988	58.9044580828559
1989	59.0569087749773
1990	59.1310430936143
1991	59.2656571215692
1992	59.5004173779268
1993	59.7876320458553
1994	60.1186967355119
1995	60.5005379276904
1996	60.9236726691972
1997	61.379391440227
1998	61.8759234892347
1999	62.4026828109044
2000	62.9276621390988
2001	63.4419484188463
2002	63.954038823694
2003	64.4904582493259
2004	65.0806729696779
2005	65.6988857203501
2006	66.2882059432003
2007	66.8353741094908
2008	67.3353229889519
2009	67.7685286069284
2010	68.1175855836488
2011	68.3874402595888
2012	68.583469115329
2013	68.698512366453
2014	68.7444142553582
2015	68.1233898210789
2016	66.8532972806543
2017	65.6183904034725
2018	64.4482735963786
2019	63.3760075504507
2020	62.8148605574488
2021	62.7595223071216
2022	62.66550534866
2023	62.4521297861692