Year	% of total population
1960	49.1362479801538
1961	49.95383740836618
1962	50.78427791611645
1963	51.61754041410395
1964	52.4556832948959
1965	53.23646014999619
1966	54.0168832584433
1967	54.79633144599347
1968	55.57654758822914
1969	56.3521985811388
1970	57.12273337397897
1971	57.88498663731974
1972	58.63683886105373
1973	59.36577674628068
1974	60.08942846079092
1975	60.81315329775848
1976	61.53323994117738
1977	62.254095477231765
1978	62.97303495514663
1979	63.68531520263905
1980	64.38791537334808
1981	65.0518197672011
1982	65.68860718076948
1983	66.30823324870751
1984	66.92308609599081
1985	67.53351332157804
1986	68.13071683482241
1987	68.71775754856391
1988	69.29806729487504
1989	69.86868185461816
1990	70.42763481927275
1991	70.96134789636635
1992	71.47526444674742
1993	71.9763699561266
1994	72.48361086527201
1995	72.98553564126591
1996	73.46426132006974
1997	73.95115553330176
1998	74.43194929118175
1999	74.89584355868408
2000	75.3547576336631
2001	75.72130855932582
2002	76.05766815864813
2003	76.38688858542218
2004	76.70401560884828
2005	77.01621917300348
2006	77.32561683832832
2007	77.6311080903764
2008	77.92979902758962
2009	78.22087368571667
2010	78.50427194123121
2011	78.7921700818346
2012	79.071237098728
2013	79.34491197034436
2014	79.61635660398731
2015	79.8847219019824
2016	80.14803085432914
2017	80.40393994961413
2018	80.64769117103212
2019	80.89019637059921
2020	81.13835946710894
2021	81.38479950282414
2022	81.63313909630669
2023	81.88400539628064