Year	% of total population
1960	49.6042371882315
1961	49.1849423374645
1962	48.8521564431958
1963	48.5233189856685
1964	48.1688639238744
1965	47.7252761044177
1966	47.1862809470472
1967	46.598996350365
1968	45.9881851491812
1969	45.4001396904753
1970	45.3537992597431
1971	46.0034999531899
1972	46.8287307051002
1973	47.6249040293457
1974	48.3850243217102
1975	49.0985336708719
1976	49.7613157252866
1977	50.3915888109562
1978	51.0013314293204
1979	51.614033641161
1980	52.2691770122503
1981	53.1906433390007
1982	54.374466444524
1983	55.4836790325036
1984	56.3959630782918
1985	57.1153214936693
1986	57.6574995260797
1987	58.0506439950288
1988	58.247213995014
1989	58.1783363939721
1990	57.8520901247095
1991	57.6727267467928
1992	57.9064265715547
1993	58.2269513799534
1994	58.5012680910713
1995	58.7534862212974
1996	58.9924313070634
1997	59.2492870688033
1998	59.5223244074386
1999	59.8187706976236
2000	60.1366575951775
2001	60.5568394409596
2002	61.0976824587618
2003	61.6502903897432
2004	62.1810015457754
2005	62.7148754614225
2006	63.2451776206686
2007	63.7978916757543
2008	64.3482306417377
2009	64.8252200649837
2010	65.2214384408407
2011	65.7640161764278
2012	66.4806172292908
2013	67.0350269186338
2014	67.8871574577273
2015	68.7443308835608
2016	69.2565108811987
2017	69.7839580699686
2018	70.1641427512443
2019	70.4618636949096
2020	70.7026231170437
2021	70.8192646297255
2022	70.8472246090394
2023	70.7906626506024