Year	% of total population
1960	49.9098504833324
1961	49.8664876348317
1962	49.8138835113792
1963	49.7483275732881
1964	49.692415367564
1965	49.6535514583673
1966	49.6193262186458
1967	49.5879406044019
1968	49.5632685809981
1969	49.5511899119881
1970	49.5500106888078
1971	49.5579992357844
1972	49.5722532458129
1973	49.5893490951956
1974	49.61048152143
1975	49.6351355462694
1976	49.6613273526758
1977	49.6912142068776
1978	49.7267361871628
1979	49.7647395112002
1980	49.8040942807002
1981	49.8444607337205
1982	49.8858319830896
1983	49.9253764948511
1984	49.9621248019069
1985	49.9990486474576
1986	50.0115215773589
1987	50.0243421145942
1988	50.0601102521805
1989	50.0960740538527
1990	50.1323090834094
1991	50.1663482142979
1992	50.1988911975949
1993	50.2316145659271
1994	50.2603102608465
1995	50.2875024862856
1996	50.3155409373814
1997	50.3418060106445
1998	50.3669298726901
1999	50.3910116021638
2000	50.4143552690204
2001	50.4372381644548
2002	50.45994148821
2003	50.4816656008116
2004	50.5027201030067
2005	50.5225140428273
2006	50.5390120811436
2007	50.5536328848332
2008	50.5688755507951
2009	50.5826920302299
2010	50.5941695799045
2011	50.6052455662494
2012	50.6155325220907
2013	50.6255521327044
2014	50.6351099674475
2015	50.634310713307
2016	50.6256575373603
2017	50.6169644403287
2018	50.5966139635283
2019	50.571319825588
2020	50.5543171385644
2021	50.5385162612133
2022	50.5190313780489
2023	50.4979691478839