Year	% of total population
1960	50.2795607678845
1961	50.2811865819897
1962	50.2818266779367
1963	50.2817460978082
1964	50.2822378121324
1965	50.2829543844752
1966	50.2841608543543
1967	50.2856839325261
1968	50.2867771231407
1969	50.2875378422413
1970	50.298476571685
1971	50.3077062856959
1972	50.303842514751
1973	50.2831421380279
1974	50.2448301225163
1975	50.2036169161578
1976	50.1595930905357
1977	50.1218734770438
1978	50.0925445112775
1979	50.0638043376633
1980	50.045265356864
1981	50.0345074798922
1982	50.0205177080338
1983	50.0023530154132
1984	49.9790154812548
1985	49.9563823866476
1986	49.9382312447024
1987	49.922109624137
1988	49.9076868825702
1989	49.8940567401199
1990	49.8820689165126
1991	49.8727317346504
1992	49.8639577271872
1993	49.8556809972934
1994	49.8536687550957
1995	49.8561314537515
1996	49.857049964139
1997	49.8567220699894
1998	49.8560900350009
1999	49.8570921893557
2000	49.8617397274803
2001	49.8709619936162
2002	49.8847811500359
2003	49.9020303155943
2004	49.9215653193989
2005	49.9429873600162
2006	49.9655474679292
2007	49.9877886267763
2008	49.9476969963221
2009	49.8497862377085
2010	49.762901078401
2011	49.6909072448308
2012	49.632399963576
2013	49.585421312809
2014	49.5543463188697
2015	49.5432823466294
2016	49.5557784931438
2017	49.5675497601904
2018	49.565177482609
2019	49.5605510713358
2020	49.5407682914716
2021	49.5176531865742
2022	49.5074595322563
2023	49.5015198069183