Year	% of total population
1960	49.416929544476986
1961	50.21759745342435
1962	51.03086540601318
1963	51.847306624078435
1964	52.66860606282104
1965	53.43526289781867
1966	54.2015888285914
1967	54.967038578718615
1968	55.73342802651841
1969	56.495279293455496
1970	57.25106800315187
1971	58.01221650157014
1972	58.76650052025132
1973	59.49824970694812
1974	60.22458340916891
1975	60.95034412916443
1976	61.671968551804376
1977	62.39346022366466
1978	63.11278892062005
1979	63.82510482517804
1980	64.53527445597264
1981	65.22781190207581
1982	65.88637911882682
1983	66.52392657318312
1984	67.15363937654541
1985	67.77577755522381
1986	68.38227572220813
1987	68.97621014064754
1988	69.5612216130172
1989	70.13459236048752
1990	70.69273177352251
1991	71.21505076603506
1992	71.71451012659881
1993	72.20219690261575
1994	72.69615809317267
1995	73.18524036281336
1996	73.65244051339639
1997	74.12844170192773
1998	74.59913926430318
1999	75.05340397713456
2000	75.50236769583522
2001	75.86072514193494
2002	76.18992508713112
2003	76.51102330294167
2004	76.81913083324584
2005	77.1224550106189
2006	77.42295290896358
2007	77.71968690189475
2008	78.01001026047616
2009	78.2931326393543
2010	78.56904960862336
2011	78.84894068385303
2012	79.12050881001713
2013	79.38633421457145
2014	79.64959607777345
2015	79.91008067713757
2016	80.16575224706192
2017	80.41439258728768
2018	80.6506488405906
2019	80.88879754690727
2020	81.13451315539625
2021	81.37695755566665
2022	81.6211314268977
2023	81.86847313856765