Year	% of total population
1960	64.75572102263754
1961	64.50237970267939
1962	64.3624170083056
1963	64.27122036853709
1964	64.13761595693252
1965	63.95373277925812
1966	63.750661537869064
1967	63.54867309133263
1968	63.38301540925714
1969	63.24936024188408
1970	63.14320607240808
1971	63.07502739572203
1972	63.04948967675907
1973	63.07357116831715
1974	63.14905874163692
1975	63.27807816730146
1976	63.46068503006279
1977	63.65883767530006
1978	63.88311354822435
1979	64.17257790111296
1980	64.57206425596169
1981	65.10700776604803
1982	65.69270397291908
1983	66.27257434580721
1984	66.76420917227209
1985	67.04094338866304
1986	67.18106014737255
1987	67.29713973576087
1988	67.37353624455399
1989	67.42828268026715
1990	67.4606555285494
1991	67.50616409712876
1992	67.5374850958604
1993	67.51819131877447
1994	67.50507610778067
1995	67.48704234198975
1996	67.4707369408842
1997	67.46114143340444
1998	67.44028660177544
1999	67.38417995296625
2000	67.28109915064687
2001	67.16275850617495
2002	67.06293935405887
2003	66.98998399021917
2004	66.89855598392703
2005	66.76571027840892
2006	66.64655370538749
2007	66.5883702030707
2008	66.51157618695507
2009	66.36519576985455
2010	66.23807598216763
2011	66.07321056227663
2012	65.8216521973873
2013	65.54345951997183
2014	65.25527817170033
2015	65.0052625525603
2016	64.78198602627225
2017	64.55670467984821
2018	64.34818593966064
2019	64.14832144012209
2020	63.9654664688804
2021	63.79876573702985
2022	63.612794887914276
2023	63.39157097751233