Year	% of total population
1960	56.5167814984002
1961	56.5026572858731
1962	56.4195178735182
1963	56.2524225607647
1964	55.9388064428108
1965	55.6189217017895
1966	55.3958335700193
1967	55.1870633081971
1968	54.9921641797758
1969	54.7990748163063
1970	54.6234242654999
1971	54.460369804576
1972	54.301149581926
1973	54.1490253661945
1974	53.9917099299445
1975	53.799863307276
1976	53.5809666848319
1977	53.3492318273031
1978	53.1032975325141
1979	52.8638947219413
1980	52.64208255075
1981	52.4592021872754
1982	52.3251949536104
1983	52.2128458827381
1984	52.2147747625097
1985	52.3269948277098
1986	52.4406945781617
1987	52.5819100853169
1988	52.7741604393109
1989	53.0134391449992
1990	53.1839968720167
1991	53.3515913874308
1992	53.5757009741913
1993	53.8168077624855
1994	54.0705981444077
1995	54.2938552722106
1996	54.443658739822
1997	54.5248814668737
1998	54.5764674433721
1999	54.5728226578577
2000	54.4940391486116
2001	54.4021034001828
2002	54.284217846863
2003	54.1372646100016
2004	53.9612287992765
2005	53.7614218823764
2006	53.5516468874633
2007	53.3479476444849
2008	53.254331689301
2009	53.2139345678069
2010	53.1737163292335
2011	53.56254302794
2012	53.853179801514
2013	53.7657213038384
2014	53.7897857192484
2015	53.9201995347687
2016	54.089168360834
2017	54.2624604644385
2018	54.485364332695
2019	54.7729429527556
2020	55.168243397235
2021	55.6465682362599
2022	56.1691906414887
2023	56.7002680599991