Year	% of total population
1960	64.2570258892619
1961	64.1667053862069
1962	64.0670827353608
1963	63.9412543917857
1964	63.789655011205
1965	63.6492991601711
1966	63.5294886886161
1967	63.4292659874437
1968	63.3520450970205
1969	63.2989804816729
1970	63.2737864098547
1971	63.2624800324649
1972	63.2496557620619
1973	63.2284573020089
1974	63.1645557865123
1975	63.0477796156718
1976	62.8938733918717
1977	62.735213332843
1978	62.6076677795663
1979	62.5245474846543
1980	62.495573423614
1981	62.5033714577779
1982	62.5327250009021
1983	62.5816180915586
1984	62.6259908152733
1985	62.6319700881302
1986	62.6235324484867
1987	62.6461567935263
1988	62.6720508863672
1989	62.7053555994672
1990	62.7960426851031
1991	62.9087470904588
1992	62.9809064308572
1993	63.0090194758568
1994	62.989299188544
1995	62.9051366767447
1996	62.7996176200365
1997	62.705923972649
1998	62.6269545646941
1999	62.5713220917711
2000	62.5375486999747
2001	62.5163779154962
2002	62.4806249378108
2003	62.4786247971234
2004	62.548852511059
2005	62.6162828374776
2006	62.6912315089448
2007	62.8162524122013
2008	62.9674153445366
2009	63.1461122028996
2010	63.3478700884763
2011	63.5457124689976
2012	63.722977367398
2013	63.8753683809545
2014	64.0132424771753
2015	64.1197184392052
2016	64.2016178027434
2017	64.3195072877816
2018	64.478944232373
2019	64.6635603662749
2020	64.8650157993973
2021	65.104788472677
2022	65.3222871902731
2023	65.469119661267