Year	% of total population
1960	55.561286067975864
1961	55.79893442275104
1962	55.73412064667084
1963	55.22659697502845
1964	54.77391991335761
1965	54.57400487745499
1966	54.47994578461971
1967	54.57330756449566
1968	54.68722382080087
1969	54.73140104691542
1970	54.842329864167375
1971	54.94206358978503
1972	55.145684895497084
1973	55.35283097400559
1974	55.36884228197557
1975	55.34820628288018
1976	55.369663037336636
1977	55.75581370491866
1978	56.70417442885421
1979	57.69403137140509
1980	58.51845677797926
1981	59.2705584780043
1982	59.87334919714696
1983	60.56183630863171
1984	61.37099453520978
1985	62.10907535831552
1986	62.74116133374415
1987	63.21598157566062
1988	63.615519576439716
1989	63.91669237492552
1990	64.04416549752891
1991	64.16365828077025
1992	64.33721594198721
1993	64.4977414500255
1994	64.71437004915464
1995	64.99831148723693
1996	65.34685215566897
1997	65.78900823944834
1998	66.20839884750562
1999	66.58634053219897
2000	67.00142118784774
2001	67.48000039214467
2002	68.05205156813125
2003	68.62666720833928
2004	69.18658361695857
2005	69.77224481156487
2006	70.22078742331811
2007	70.48043796082034
2008	70.66384458757187
2009	70.78254517371741
2010	70.8451210586201
2011	70.84923671794598
2012	70.76324379221458
2013	70.60857866560873
2014	70.40700288274947
2015	70.17333986471762
2016	69.90988734490548
2017	69.56354775993567
2018	69.22676524771734
2019	68.953827143502
2020	68.72911935558373
2021	68.60881806927402
2022	68.5157454780236
2023	68.45500373914865