Year	% of total population
1960	52.64436493304832
1961	52.57048687499588
1962	52.49862089841614
1963	52.42901109485552
1964	52.36438696938058
1965	52.30581728799968
1966	52.2586213592338
1967	52.220100728107674
1968	52.189355749525376
1969	52.16140624887313
1970	52.1375883810151
1971	52.08550038833
1972	51.998570065657184
1973	51.915982707596676
1974	51.83727857991979
1975	51.76771737680376
1976	51.73783168395766
1977	51.73473309820219
1978	51.72821208701278
1979	51.71731425819827
1980	51.693778267524294
1981	51.66434008863142
1982	51.63328053768388
1983	51.60163127316361
1984	51.573385963163844
1985	51.55094969896048
1986	51.535765284538236
1987	51.52664257984983
1988	51.51900674696772
1989	51.497647198587345
1990	51.46715066900806
1991	51.440743441394496
1992	51.42492021536503
1993	51.42426009011239
1994	51.42547133004862
1995	51.42304126219088
1996	51.42195384375436
1997	51.42459071092904
1998	51.43085206593536
1999	51.43722728561805
2000	51.43834855608989
2001	51.43617634609248
2002	51.43264365543259
2003	51.426471735424414
2004	51.41907614086539
2005	51.41234521876889
2006	51.40361087527838
2007	51.393760593346
2008	51.379031588494044
2009	51.36070973191862
2010	51.336736152142045
2011	51.31181455303972
2012	51.28749947773034
2013	51.26184580431821
2014	51.23567121673441
2015	51.213125362322856
2016	51.19374798770647
2017	51.176368310589034
2018	51.1603066749881
2019	51.1498957281618
2020	51.146582846628824
2021	51.14506951040345
2022	51.132815756697575
2023	51.1618835029506
