Year	% of total population
1960	49.90235593913947
1961	49.9171406529466
1962	49.930835561307816
1963	49.94317490990709
1964	49.954727692231344
1965	49.96607334827516
1966	49.97682537618964
1967	49.98691115925317
1968	49.99708985104094
1969	50.00732544736164
1970	50.016868832390166
1971	50.03435984458459
1972	50.05916479756845
1973	50.08274278468679
1974	50.10595347165412
1975	50.128175702702755
1976	50.15037121851136
1977	50.16973706307572
1978	50.18608559914046
1979	50.20324559838475
1980	50.21974084142743
1981	50.23585124686758
1982	50.25291217552862
1983	50.26900696011681
1984	50.283644156449355
1985	50.29699029402254
1986	50.30941766170926
1987	50.322007168453695
1988	50.334263221998654
1989	50.34681881371686
1990	50.36004162721085
1991	50.3740656456591
1992	50.388276478236065
1993	50.40163406636972
1994	50.412129182281156
1995	50.42111446364684
1996	50.431070770289885
1997	50.44115580002358
1998	50.450978758759916
1999	50.4608206167646
2000	50.473046319487366
2001	50.48533173752763
2002	50.49652188080472
2003	50.507765359538766
2004	50.5184069427749
2005	50.52855980483839
2006	50.53820793630131
2007	50.54776406304657
2008	50.56024791636619
2009	50.57510957022272
2010	50.588371825054864
2011	50.59938338998899
2012	50.609706729115736
2013	50.620006001811475
2014	50.62878599894498
2015	50.637195208112146
2016	50.64656297593999
2017	50.656260234044694
2018	50.665844015950974
2019	50.67751925123748
2020	50.69800603570106
2021	50.726331012897134
2022	50.74855476692988
2023	50.761451287525574