Year	% of total population
1960	49.8558100716851
1961	49.8512424047286
1962	49.8007221869569
1963	49.7100209800489
1964	49.6471020471304
1965	49.6092740189803
1966	49.5709666347526
1967	49.5265118444794
1968	49.4744955945402
1969	49.4184180317612
1970	49.362230797172
1971	49.3105049154903
1972	49.3332561901144
1973	49.4248494314096
1974	49.511937321143
1975	49.5954220081247
1976	49.6784685700779
1977	49.7630958243695
1978	49.8472053104992
1979	49.9364005914745
1980	49.998133890678
1981	50.0246102926895
1982	50.0466487139798
1983	50.0657601691051
1984	50.0829811534772
1985	50.0977604211059
1986	50.1149419428502
1987	50.1349318537444
1988	50.1530565302047
1989	50.1660299735528
1990	50.1763753888496
1991	50.1857055971306
1992	50.1951034632354
1993	50.2039656703167
1994	50.2112306235172
1995	50.1601878063937
1996	50.0585804602622
1997	49.9656647243131
1998	49.8788302735902
1999	49.7970063214995
2000	49.7189967390261
2001	49.642999298309
2002	49.5710821399894
2003	49.5065306284489
2004	49.5033021787329
2005	49.5544535275658
2006	49.6026037166945
2007	49.6476912411497
2008	49.6902262060389
2009	49.7302712843087
2010	49.7707295634339
2011	49.8120062447251
2012	49.851552827305
2013	49.8885533569644
2014	49.9236416105827
2015	49.9557756635823
2016	49.9945825371956
2017	50.0416128422848
2018	50.086994601787
2019	50.1188570400516
2020	50.1443832209071
2021	50.1803469905463
2022	50.2258753478739
2023	50.2745348471526