Year	% of total population
1960	54.441225707792945
1961	54.3094364612698
1962	54.16703695888926
1963	53.991093714383645
1964	53.79185634999641
1965	53.61607842482196
1966	53.46554244290269
1967	53.32029502181479
1968	53.182524811760985
1969	53.044378106230766
1970	52.901129884433516
1971	52.74187790038002
1972	52.57772928528856
1973	52.44547587364573
1974	52.35200359818044
1975	52.29177139832839
1976	52.23734483053473
1977	52.181106994314675
1978	52.13604649315997
1979	52.089723496964645
1980	52.019777537408494
1981	51.94862911466431
1982	51.9158336846869
1983	51.919589536466354
1984	51.9360748668954
1985	51.95459361594038
1986	51.98942985078848
1987	52.0357245875344
1988	52.08527790253796
1989	52.13389335572444
1990	52.187416277602054
1991	52.267141235305864
1992	52.369976450922785
1993	52.462822781739554
1994	52.60695228384206
1995	52.77479116820013
1996	52.885011268503945
1997	52.99456369018836
1998	53.167790882328745
1999	53.368222240099165
2000	53.552330269689115
2001	53.72893897203319
2002	53.885711821481564
2003	54.03657012403006
2004	54.19809080861671
2005	54.366969775077905
2006	54.51922654585198
2007	54.64027828937117
2008	54.76715716344267
2009	54.92253872907312
2010	55.09443280872034
2011	55.288197448881014
2012	55.487980087171316
2013	55.688784298390544
2014	55.89923106493855
2015	56.10088899271277
2016	56.307801247235766
2017	56.5256590740591
2018	56.73609581131815
2019	56.94122415414441
2020	57.161877853330246
2021	57.38855899197075
2022	57.59857339978772
2023	57.797332130621804