Year	% of total population
1960	49.4209339520639
1961	49.4817410654578
1962	49.5511923981647
1963	49.6186100841785
1964	49.6787904747131
1965	49.731956815053
1966	49.7744977470218
1967	49.8041704131458
1968	49.8325023204546
1969	49.8693635143963
1970	49.8657193001756
1971	49.8318103161913
1972	49.8451122414812
1973	49.8862035952402
1974	49.9213630532685
1975	49.9622021751838
1976	50.0128742655206
1977	50.0685295759178
1978	50.1249066778396
1979	50.1711250993223
1980	50.2053688246868
1981	50.2364623872885
1982	50.2677567149525
1983	50.2997429963164
1984	50.3295611781467
1985	50.3538278748868
1986	50.3663433906272
1987	50.3731358103444
1988	50.3901277282053
1989	50.4147897370198
1990	50.4255166212752
1991	50.4270435488081
1992	50.4485717171316
1993	50.4755553599069
1994	50.4921588965863
1995	50.5072667358452
1996	50.5108848801655
1997	50.5037454381712
1998	50.5038744311957
1999	50.5025003801015
2000	50.4865657759969
2001	50.4654407737788
2002	50.4525898687578
2003	50.4486479050078
2004	50.4447683524409
2005	50.4380412464448
2006	50.4342864797769
2007	50.4373364147826
2008	50.4404543233852
2009	50.4407806925284
2010	50.4405711652292
2011	50.4331736731865
2012	50.414437062185
2013	50.3949484382577
2014	50.3853679159504
2015	50.3838870376758
2016	50.3807270914404
2017	50.3674802242404
2018	50.3426383952976
2019	50.3202098235026
2020	50.3109383126185
2021	50.3079542996868
2022	50.303860473231
2023	50.2985524643829