Year	% of total population
1960	47.445908934333
1961	47.4994174603253
1962	47.5724229806856
1963	47.6501086730674
1964	47.7233798177399
1965	47.7900845366716
1966	47.8556014971757
1967	47.9206621877611
1968	47.9850774997113
1969	48.0469769414646
1970	48.10301122274
1971	48.1397314119875
1972	48.1561657877086
1973	48.1703115914995
1974	48.1872586722518
1975	48.20433627364
1976	48.219485444301
1977	48.236757100881
1978	48.2552283173368
1979	48.2734486719958
1980	48.2900445421415
1981	48.2988749269433
1982	48.2985088871323
1983	48.2907588861232
1984	48.2799961545204
1985	48.2716676619627
1986	48.2654180806818
1987	48.2579920111671
1988	48.248335186223
1989	48.2385439707501
1990	48.2276649224783
1991	48.2412024945258
1992	48.2846726324987
1993	48.332040458205
1994	48.3794965374458
1995	48.4277080175541
1996	48.4741546426399
1997	48.5188669573451
1998	48.5646129139824
1999	48.6094224273648
2000	48.6501046444181
2001	48.6857164763249
2002	48.7349572807694
2003	48.8053499251789
2004	48.880665410608
2005	48.9630273277141
2006	49.0483568984441
2007	49.13032583064
2008	49.2141474597512
2009	49.305966333232
2010	49.4005940833729
2011	49.4581091896063
2012	49.4839935554767
2013	49.5079073564907
2014	49.531860792504
2015	49.6062208834608
2016	49.7249308619056
2017	49.8419742355099
2018	49.958925393319
2019	50.0767428289352
2020	50.1972241753914
2021	50.2579491462247
2022	50.2685103243446
2023	50.289596282449