Year	% of total population
1960	53.38171622519
1961	53.3345471675756
1962	53.2559404528204
1963	53.1916126139424
1964	53.1657834277334
1965	53.2064569112915
1966	53.300926480932
1967	53.451413180758
1968	53.6886709148863
1969	54.0721223900057
1970	54.7142984991766
1971	55.4510413646226
1972	56.0682249605392
1973	56.654702802116
1974	57.2962071652101
1975	58.0013889719046
1976	58.7351174866254
1977	59.453587780261
1978	60.0785267502547
1979	60.5313988597598
1980	60.7951220550214
1981	60.8745382077187
1982	60.8016316089669
1983	60.6451103393958
1984	60.4684797682543
1985	60.3143228518764
1986	60.2382335301896
1987	60.2993076409608
1988	60.4803182946298
1989	60.7340489511909
1990	61.0547339024262
1991	61.4557867584374
1992	61.9471614979985
1993	62.5498271217196
1994	63.2760191287263
1995	64.1089918964507
1996	65.034405992231
1997	66.0235788742208
1998	67.0168176035718
1999	67.968577214713
2000	68.8893392708691
2001	69.7671465081688
2002	70.5453751160414
2003	71.199543717696
2004	71.7174347850842
2005	72.095841317736
2006	72.3568080777417
2007	72.5180983933039
2008	72.581360243107
2009	72.5519575846548
2010	72.4392609778373
2011	72.2525739074098
2012	72.0067758383894
2013	71.7232832394978
2014	71.4258879228159
2015	71.1185257398677
2016	70.8089982539655
2017	70.5187720604596
2018	70.4543536324964
2019	70.2303028708087
2020	69.8010139993031
2021	69.6000034083543
2022	69.4385760831903
2023	69.254080134885
