Year	% of total population
1960	51.2056451347915
1961	51.0033232374091
1962	50.7835285685529
1963	50.5174373645134
1964	50.2447030404372
1965	50.0192658633096
1966	49.8212394909045
1967	49.6416183578346
1968	49.4800235035854
1969	49.3020510302037
1970	49.0130138443612
1971	48.6558957108074
1972	48.3336595866924
1973	48.0490895794351
1974	47.8078165176388
1975	47.6043444972719
1976	47.4398295244092
1977	47.319287744693
1978	47.2393811239829
1979	47.200399750606
1980	47.2185125700613
1981	47.3086859195743
1982	47.4781384043982
1983	47.6591464044156
1984	47.7982941464193
1985	47.935017525745
1986	48.0975166475184
1987	48.2548130700741
1988	48.3845729385515
1989	48.4919423935216
1990	48.5904716654778
1991	48.6829172718287
1992	48.7544891453943
1993	48.8078378245219
1994	48.8447662887045
1995	48.8590025868439
1996	48.8804899203203
1997	48.9594369701209
1998	49.0615187310015
1999	49.1783256386379
2000	49.3537268799927
2001	49.6205147506408
2002	49.8845459650945
2003	50.1157319731282
2004	50.3298745803554
2005	50.5342537587649
2006	50.7461324509092
2007	50.9690718640343
2008	51.2073458844965
2009	51.4461874291706
2010	51.6706627383754
2011	51.859781713122
2012	52.0476568530786
2013	52.2690485367355
2014	52.5331537910049
2015	52.8263940133787
2016	53.1354082735139
2017	53.4613504346024
2018	53.810027902724
2019	54.1878688509517
2020	54.5897669105859
2021	54.9987071926052
2022	55.3959538258064
2023	55.782486285982