Year	% of total population
1960	49.7101733191923
1961	49.7252634175992
1962	49.7388859161721
1963	49.7507085542592
1964	49.7607870231775
1965	49.7694943124491
1966	49.7771264688939
1967	49.7840427975904
1968	49.7907275922154
1969	49.7974376936722
1970	49.8048610971088
1971	49.8499923166115
1972	49.9251318126091
1973	49.9925083566452
1974	50.0587013494216
1975	50.1255829554077
1976	50.1981910008318
1977	50.2581754460409
1978	50.3025162327295
1979	50.3495131456377
1980	50.3961232748109
1981	50.4419281290319
1982	50.4871131763811
1983	50.5298797965769
1984	50.5708436183412
1985	50.6106861889075
1986	50.6501313589165
1987	50.6893537653695
1988	50.7265862077423
1989	50.7628628945159
1990	50.7945944678606
1991	50.8252649514385
1992	50.8570183362041
1993	50.886528872237
1994	50.9139730107961
1995	50.9408136341918
1996	50.9685608329738
1997	50.9939367327726
1998	51.0162262326733
1999	51.0371391192862
2000	51.0591851873361
2001	51.0680734490497
2002	51.0624400640363
2003	51.0564116584524
2004	51.0502265252377
2005	51.045027407475
2006	51.0419407300004
2007	51.0407585948726
2008	51.0420311116187
2009	51.0454975058494
2010	51.0484024952067
2011	51.0452584076277
2012	51.0399818984619
2013	51.0380005791764
2014	51.0379127562746
2015	51.0405098391387
2016	51.0450869332021
2017	51.0526048602475
2018	51.0658223922244
2019	51.0836016548738
2020	51.1204119242813
2021	51.1810349790235
2022	51.221222058502
2023	51.2349924079195