Year	% of total population
1960	51.2606039034229
1961	51.3092475969506
1962	51.3573709867205
1963	51.3977206192726
1964	51.4388965371175
1965	51.4790309708313
1966	51.5226708775096
1967	51.5325787702661
1968	51.4946661872228
1969	51.4500511782769
1970	51.4071967069053
1971	51.3651255915544
1972	51.318958274993
1973	51.2719206277384
1974	51.2526220831024
1975	51.2575285899205
1976	51.2594684000379
1977	51.2191304892172
1978	51.1467675392561
1979	51.0755807929041
1980	51.0061215204533
1981	50.9344732874874
1982	50.8609216865605
1983	50.7821119600747
1984	50.7039640493909
1985	50.629024779764
1986	50.5583139331259
1987	50.5380318712009
1988	50.5651476939728
1989	50.6002297238232
1990	50.6436942275163
1991	50.6928593071407
1992	50.7455168245013
1993	50.7960439030274
1994	50.8347454653017
1995	50.8636986506896
1996	50.8957532811019
1997	50.8931232490214
1998	50.8638978518497
1999	50.8413249396952
2000	50.8191768271883
2001	50.7964344540258
2002	50.7803167507996
2003	50.7738722344603
2004	50.7664038996154
2005	50.7587590999025
2006	50.7514831905076
2007	50.688309983308
2008	50.5639097744361
2009	50.4470618980064
2010	50.352476649004
2011	50.2560147196848
2012	50.1590668080594
2013	50.0583626703023
2014	49.9568585523231
2015	49.8624224948644
2016	49.7734303310093
2017	49.6921690461509
2018	49.6138849262958
2019	49.5412144715153
2020	49.4926558610599
2021	49.4637652451965
2022	49.4562877837878
2023	49.471574513097