Year	% of total population
1960	54.2467933373162
1961	54.3526722018715
1962	54.4577636346297
1963	54.5211359575298
1964	54.5276347034592
1965	54.5206238691409
1966	54.5193996762657
1967	54.5136351778707
1968	54.5062886035528
1969	54.5017072743395
1970	54.5018227890335
1971	54.5069745387795
1972	54.5211172588616
1973	54.5568834382835
1974	54.6061891612391
1975	54.6563266414134
1976	54.7043292545671
1977	54.7463542034674
1978	54.7877671565534
1979	54.8329970518931
1980	54.8816759016183
1981	54.9333654898469
1982	54.9937469929441
1983	55.0669213249638
1984	55.1449621168771
1985	55.2184749194676
1986	55.2908908226225
1987	55.3623555650597
1988	55.4337902361997
1989	55.5090350041926
1990	55.5847652688727
1991	55.6671867112977
1992	55.7650438797152
1993	55.8022588277522
1994	55.790483735279
1995	55.815359400337
1996	55.8737819904881
1997	55.9685114301547
1998	56.0977783323326
1999	56.2568072659816
2000	56.4564437352083
2001	56.7527135572903
2002	57.1377459206886
2003	57.5492764020669
2004	57.975626605922
2005	58.4100231322411
2006	58.8340622965551
2007	59.2403558300807
2008	59.6333236274381
2009	60.0048700083347
2010	60.3542682700481
2011	60.692271070359
2012	61.0205287814778
2013	61.3513067480168
2014	61.701233971368
2015	62.0503106130246
2016	62.3798839662433
2017	62.696047368494
2018	63.0051206587803
2019	63.3055396457316
2020	63.6195579450078
2021	63.9678580322054
2022	64.3225805396058
2023	64.6348921114469