Year	% of total population
1960	64.52183797546328
1961	64.33068679349114
1962	64.27036019609048
1963	64.26365201371024
1964	64.22377203462283
1965	64.14680934550289
1966	64.06435653735637
1967	63.985175209823346
1968	63.927514065032206
1969	63.889056669303244
1970	63.8711470507475
1971	63.86671583290783
1972	63.86108417841176
1973	63.86385829164622
1974	63.87006860857913
1975	63.88743941803939
1976	63.933258379205704
1977	63.992916635826155
1978	64.09301779685045
1979	64.25559247513127
1980	64.52722279371095
1981	64.93771729253606
1982	65.43213811347022
1983	65.96105956424176
1984	66.39085431928456
1985	66.61111660534185
1986	66.71362261165253
1987	66.79631426455879
1988	66.85526614628967
1989	66.91849657535302
1990	66.98598448117241
1991	67.07271438194367
1992	67.1531603592414
1993	67.19275656420693
1994	67.236260689427
1995	67.27780410667472
1996	67.3218868366454
1997	67.37325469482249
1998	67.42143349273798
1999	67.44897627876884
2000	67.4470717392474
2001	67.43285207820196
2002	67.42334928957622
2003	67.43161252009952
2004	67.4188446541456
2005	67.36184830652256
2006	67.30113228207995
2007	67.26938977346788
2008	67.20329781948898
2009	67.06374781834614
2010	66.92584458326559
2011	66.74256970083339
2012	66.46702793762758
2013	66.16114006678175
2014	65.8399415123965
2015	65.54406585599227
2016	65.2631521133682
2017	64.97514980846469
2018	64.70028697702749
2019	64.43662988807894
2020	64.19849570454878
2021	63.99738578737298
2022	63.911863366488824
2023	63.77392808465127