Year	% of total population
1960	56.049986286819625
1961	55.96878663634494
1962	55.80916053125291
1963	55.49942720675962
1964	55.25595896872857
1965	55.15266856904268
1966	55.10533814852663
1967	55.147359276884046
1968	55.20665979349889
1969	55.25097351353962
1970	55.3369244123482
1971	55.41740581015825
1972	55.531890048703104
1973	55.650892764644496
1974	55.695749932497776
1975	55.7278741346858
1976	55.77418000766889
1977	55.963078654748735
1978	56.37550579206208
1979	56.794748834312934
1980	57.147468885794595
1981	57.4799686245298
1982	57.75175364239799
1983	58.04564837834728
1984	58.37314160906326
1985	58.67313494258075
1986	58.938898304449665
1987	59.14885379274149
1988	59.338622055862416
1989	59.498208111882995
1990	59.60775196264014
1991	59.72492780261708
1992	59.85422545953065
1993	59.97925842609602
1994	60.15613559527689
1995	60.38794778415372
1996	60.65941668541619
1997	60.98596490798395
1998	61.328039728151026
1999	61.667569728408054
2000	62.01722016104665
2001	62.381484208994095
2002	62.75900023246847
2003	63.122759286402186
2004	63.47890823632985
2005	63.83918905110092
2006	64.14695457064225
2007	64.3849574478252
2008	64.58696111888605
2009	64.75640286903338
2010	64.89968784216816
2011	65.00300060563065
2012	65.05124294816383
2013	65.06293675469105
2014	65.0476375175612
2015	65.01584688445502
2016	64.97964718764494
2017	64.92335551173178
2018	64.87003351498831
2019	64.83949766823767
2020	64.84051768008668
2021	64.89194088140482
2022	64.95547330297431
2023	65.02193733460898