Year	% of total population
1960	63.0406084567446
1961	63.1587024358759
1962	63.3190153645092
1963	63.3978537144104
1964	63.377575853455
1965	63.2731665453878
1966	63.1109571041251
1967	62.955039475819
1968	62.8410307580802
1969	62.7324012958475
1970	62.6529445589157
1971	62.6114536830911
1972	62.5736610826161
1973	62.5449051489386
1974	62.526496845972
1975	62.5203354787869
1976	62.5578460296249
1977	62.6271436065194
1978	62.7249783895832
1979	62.8764423186118
1980	63.0757780162202
1981	63.3112833638364
1982	63.5366060816087
1983	63.7641130836659
1984	64.0603294184594
1985	64.2730553774559
1986	64.4132234518416
1987	64.6067409021561
1988	64.7430678965701
1989	64.7705481380264
1990	64.750483628308
1991	64.7074130200323
1992	64.6465333366616
1993	64.6145552923192
1994	64.6028081695938
1995	64.584142182318
1996	64.564408160657
1997	64.5695950147702
1998	64.6309956584141
1999	64.7257231251579
2000	64.8325954647103
2001	64.9612196852604
2002	65.1203635612477
2003	65.2934530879754
2004	65.4630807331527
2005	65.6496035957436
2006	65.8767079571023
2007	66.1066021541427
2008	66.258455740341
2009	66.2693578925451
2010	66.206563905941
2011	66.1253288290989
2012	66.028671527076
2013	65.9301920603558
2014	65.8359646654918
2015	65.7419292875162
2016	65.6072048420064
2017	65.434596725561
2018	65.2738539846997
2019	65.1658192444541
2020	65.0589078966861
2021	64.9353574602061
2022	64.8572433822895
2023	64.8213946470455