Year	% of total population
1960	45.04816397991947
1961	45.7873350829576
1962	46.50223167252182
1963	47.217560706197304
1964	47.933963461614525
1965	48.66334546710384
1966	49.37297478592819
1967	50.06927270307175
1968	50.76678299253995
1969	51.463659288281114
1970	52.15102381559312
1971	52.81628020036013
1972	53.46750964018281
1973	54.11385649298646
1974	54.75427694715507
1975	55.3710991661891
1976	55.968156293318444
1977	56.55385979100433
1978	57.14107393895473
1979	57.650351766364544
1980	58.074214626145114
1981	58.59189947800388
1982	59.13921178824592
1983	59.68416952657881
1984	60.23728763811784
1985	60.77556496181016
1986	61.26827071090457
1987	61.7379720618674
1988	62.2056667135694
1989	62.54657827457118
1990	62.73918855816222
1991	62.88258508576877
1992	62.982293293448244
1993	63.056680689110195
1994	63.129075879099084
1995	63.204340036972056
1996	63.2641360468033
1997	63.327258663227326
1998	63.40048958714069
1999	63.48233772268527
2000	63.57160313464162
2001	63.68490407115212
2002	63.8197631095712
2003	63.97150914681559
2004	64.13232466856552
2005	64.29833742397773
2006	64.46607293605565
2007	64.63982507993049
2008	64.8162712437675
2009	64.98936665951867
2010	65.15123543321295
2011	65.29632234243476
2012	65.43055224188952
2013	65.56375004285569
2014	65.69962714727166
2015	65.8421648654446
2016	65.99338627951022
2017	66.152178203193
2018	66.3199805338118
2019	66.4971242190765
2020	66.67436780780723
2021	66.85341972851991
2022	67.01169517777943
2023	67.20227830124469