Year	% of total population
1960	50.10461017450578
1961	49.98214904829374
1962	49.893986761039265
1963	49.8489274568479
1964	49.863400850415026
1965	49.888123742933026
1966	49.910212777343396
1967	49.993261432746685
1968	50.14736465080831
1969	50.365107671831844
1970	50.628041143047255
1971	50.876097846005216
1972	51.139038301781135
1973	51.46709543551991
1974	51.839627510508365
1975	52.23080819001594
1976	52.62522197203433
1977	53.01770520837606
1978	53.37184587881585
1979	53.62929286520473
1980	53.86158350249641
1981	54.116462693840305
1982	54.353092020555046
1983	54.569128394365045
1984	54.757590938326075
1985	54.91172470654682
1986	55.01114746259357
1987	55.07898575187968
1988	55.13335637510306
1989	55.178120955725575
1990	55.252531904287885
1991	55.35256247480828
1992	55.4732666724293
1993	55.63250536499263
1994	55.83773383516989
1995	56.085516603786
1996	56.37469171827899
1997	56.71169139537794
1998	57.07262239760838
1999	57.43437198548393
2000	57.78080949886175
2001	58.08109872033775
2002	58.36062610307163
2003	58.637214052308764
2004	58.898014537977026
2005	59.15366046178196
2006	59.408847697030275
2007	59.64977775952531
2008	59.85599435959121
2009	60.029145457749
2010	60.16932873683212
2011	60.263629489912695
2012	60.32284722401748
2013	60.358426750471786
2014	60.374725582660645
2015	60.39727800398605
2016	60.43008931951296
2017	60.4598293695373
2018	60.495132811778895
2019	60.54083688441906
2020	60.61263270350055
2021	60.73070954582832
2022	60.856581776979205
2023	60.980474014845655