Year	% of total population
1960	56.1342114396612
1961	56.1056315281293
1962	56.1061595120974
1963	56.1576687953509
1964	56.1950078429901
1965	56.2042976861424
1966	56.2190682132019
1967	56.2278203993238
1968	56.2234872303048
1969	56.2033135723929
1970	56.1729494207995
1971	56.1173012374021
1972	56.0489841556079
1973	55.992540621176
1974	55.9232839491803
1975	55.8392632645295
1976	55.7505380255051
1977	55.6824368764359
1978	55.6388808477799
1979	55.5953321978151
1980	55.5662910063702
1981	55.5372745137421
1982	55.4980160424549
1983	55.468111794487
1984	55.4204710059323
1985	55.3430089403306
1986	55.2495533515609
1987	55.1183458396512
1988	54.9659802534568
1989	54.8590820501793
1990	54.8329826936772
1991	54.8730442789383
1992	54.9948186498464
1993	55.0723811075931
1994	55.0796221530588
1995	55.0771835223851
1996	55.0717304785659
1997	55.1302715433623
1998	55.243938741429
1999	55.4016506623388
2000	55.5847420431047
2001	55.8029736370967
2002	56.0619896165265
2003	56.3405242116664
2004	56.6372282073138
2005	56.9535128443442
2006	57.2923625128592
2007	57.6650855152543
2008	58.1001522829195
2009	58.590419093304
2010	59.1137536194755
2011	59.6040276532299
2012	59.9983282532087
2013	60.3323478158929
2014	60.6848742773042
2015	61.1144551700414
2016	61.6354612470553
2017	62.18931584452
2018	62.7190308724486
2019	63.2187196560908
2020	63.8443194660466
2021	64.5594465748024
2022	65.0285210808843
2023	65.28499261569