Year	% of total population
1960	52.3710080577539
1961	52.241797262653
1962	52.1138286818653
1963	51.9829850308165
1964	51.8741228106396
1965	51.8015254594233
1966	51.7518449241815
1967	51.7336084208408
1968	51.7551343859857
1969	51.8138666161906
1970	51.9105810097428
1971	52.0437645098381
1972	52.2140572528182
1973	52.4307207760087
1974	52.6957716013511
1975	53.008514729583
1976	53.3708405165266
1977	53.7815128355052
1978	54.2341711769341
1979	54.7111539093238
1980	55.1934286754514
1981	55.6749126662897
1982	56.1496142049261
1983	56.6074950220384
1984	57.0517278429895
1985	57.4903564528132
1986	57.9235722932318
1987	58.3482462146819
1988	58.7530948909649
1989	59.1275839476147
1990	59.4791155392878
1991	59.8249790621146
1992	60.1628495659616
1993	60.4832714253637
1994	60.7918547658183
1995	61.0956393932845
1996	61.3989617209231
1997	61.7031911163807
1998	62.0103657436555
1999	62.3117643860937
2000	62.5950888678751
2001	62.8614313380098
2002	63.1110379861778
2003	63.3429542545782
2004	63.5531406023042
2005	63.7442269322308
2006	63.9096193091824
2007	64.0454462535705
2008	64.1603604178382
2009	64.259269794913
2010	64.3490379434364
2011	64.4230419928679
2012	64.4781086495323
2013	64.5304164063015
2014	64.5837750407099
2015	64.6358436617133
2016	64.6933757275379
2017	64.7525196756007
2018	64.810361527729
2019	64.8806081088105
2020	64.9574625910765
2021	65.0264509164802
2022	65.0969399333867
2023	65.1604327713888