Year	% of total population
1960	52.2291081423027
1961	51.4752884814597
1962	50.7578425529609
1963	50.1591907820124
1964	49.6837478105618
1965	49.3669019665665
1966	49.2082874110959
1967	49.1641984592247
1968	49.2185629576014
1969	49.3597511170472
1970	49.5515425786519
1971	49.6258162112805
1972	49.5204982169238
1973	49.391358697287
1974	49.3122713855506
1975	49.0505970421404
1976	48.641029524568
1977	48.3428628684278
1978	48.1613618899881
1979	48.0947975369074
1980	48.1092821072142
1981	48.1820146222331
1982	48.2843475249679
1983	48.3653376962599
1984	48.4103764093927
1985	48.4133826064953
1986	48.3784576685228
1987	48.3165480416841
1988	48.2369261039117
1989	48.1722741867933
1990	48.0891531927908
1991	48.0677932450905
1992	48.2343099958895
1993	48.5564736604305
1994	49.0042449365749
1995	49.558499835311
1996	50.1912082221911
1997	50.8671124233287
1998	51.57321211956
1999	52.3042432949979
2000	53.0784439095605
2001	53.8960593014821
2002	54.7300367051186
2003	55.5806319244973
2004	56.4489511553014
2005	57.3303031993953
2006	58.2217509481162
2007	59.127260479561
2008	60.0412865654065
2009	60.9518314707522
2010	61.8674724800345
2011	62.7226568016659
2012	63.5126174456416
2013	64.2809386228099
2014	64.9947076963646
2015	65.639590268144
2016	66.1595878899237
2017	66.5417007402373
2018	66.8864665096293
2019	67.2367405189154
2020	67.5885624056021
2021	67.9458264234384
2022	68.2700567057715
2023	68.5284508303239