Year	% of total population
1960	59.95450017184
1961	59.7775768310645
1962	59.8776568928444
1963	59.9739815148046
1964	59.9402866481282
1965	59.865339283559
1966	60.1675404610752
1967	60.6280185720442
1968	61.0054815250438
1969	61.4755210758852
1970	61.9129435206222
1971	62.3714601042403
1972	62.8914651396359
1973	63.4330100980338
1974	63.9478565083644
1975	64.4419940045259
1976	64.9051250625369
1977	65.3061046541428
1978	65.6727001614018
1979	65.9994496131473
1980	66.2488296922159
1981	66.391217389766
1982	66.4689610253455
1983	66.5668896063546
1984	66.6266320160863
1985	66.6568379579303
1986	66.7058421019807
1987	66.68186290814
1988	66.4901925278008
1989	66.2822224559349
1990	66.1588765522118
1991	65.9892376690813
1992	65.8111473417326
1993	65.7140590405578
1994	65.6551484977299
1995	65.6538674594467
1996	65.7292885787713
1997	65.8375918435213
1998	65.9488567291859
1999	66.0783209654538
2000	66.2569660324819
2001	66.4177068443678
2002	66.5726059431361
2003	66.7296668887198
2004	66.8797268827437
2005	67.0289150141386
2006	67.1584370080472
2007	67.2269849676012
2008	67.1934316799714
2009	67.1369470770614
2010	67.104935684999
2011	66.9859910889154
2012	66.7733301513686
2013	66.5719624236532
2014	66.4410413965544
2015	66.3750863651906
2016	66.1534833947932
2017	65.8777858254785
2018	65.6912807447973
2019	65.4722992136952
2020	65.2652503157439
2021	65.0780698085871
2022	64.9124413446425
2023	64.7372482928052