Year	% of total population
1960	48.64858398436626
1961	48.712577558319474
1962	48.77963007702691
1963	48.84127111770255
1964	48.89557520879127
1965	48.94878849376776
1966	49.003635799301044
1967	49.05688065701191
1968	49.103571966692144
1969	49.14730351707982
1970	49.17842544414039
1971	49.20765665867675
1972	49.24830944383017
1973	49.291385416048655
1974	49.31605686411456
1975	49.349446358495214
1976	49.41918751193989
1977	49.49846912424629
1978	49.57751983029862
1979	49.65622495000439
1980	49.73054415195698
1981	49.7861698416596
1982	49.824717575415534
1983	49.85785626906574
1984	49.88938559559128
1985	49.92349235904746
1986	49.95971961228722
1987	49.99794574049168
1988	50.03618214205828
1989	50.07906361167589
1990	50.12529586573365
1991	50.14835887017903
1992	50.14187839633149
1993	50.13574094839705
1994	50.14180164888568
1995	50.14760135452189
1996	50.15252009335998
1997	50.149989832272624
1998	50.148483056752475
1999	50.159839470259335
2000	50.18120312448016
2001	50.20869616037998
2002	50.23690589499555
2003	50.28852254033928
2004	50.38891071600664
2005	50.51203582502077
2006	50.63855467161758
2007	50.76596553869768
2008	50.89215904565614
2009	51.01999982150161
2010	51.097138745006326
2011	51.131807501143555
2012	51.20342558122382
2013	51.26110659983729
2014	51.27340390559252
2015	51.3355242182778
2016	51.44919399741384
2017	51.56499119574323
2018	51.62987775040489
2019	51.64227829350467
2020	51.61956081507009
2021	51.58205860140665
2022	51.55693600168343
2023	51.52617615863395