Year	% of total population
1960	47.9670901725732
1961	48.75890893062729
1962	49.575305276297506
1963	50.39636287974033
1964	51.22379231627266
1965	51.9907458423793
1966	52.75798094819868
1967	53.52499699705267
1968	54.293451259045646
1969	55.058368549336855
1970	55.81903592888416
1971	56.592112650255125
1972	57.36247620595703
1973	58.11050094797768
1974	58.85270508716209
1975	59.59453301181204
1976	60.33052384104072
1977	61.068167516255976
1978	61.80440534653158
1979	62.533871570401736
1980	63.253444019774484
1981	63.93388138798356
1982	64.58564241593723
1983	65.23039423598817
1984	65.86985309976454
1985	66.50410769903417
1986	67.12335591868322
1987	67.73109050200361
1988	68.33160050052847
1989	68.92180614187836
1990	69.49971317071082
1991	70.04734713009866
1992	70.57023955903672
1993	71.07476567662201
1994	71.58685603004925
1995	72.09413714106182
1996	72.5771741571787
1997	73.07073684675609
1998	73.55958067948114
1999	74.03097223083437
2000	74.4983239413004
2001	74.87046829052957
2002	75.22556629481566
2003	75.57755019484874
2004	75.91526093356292
2005	76.2478941395471
2006	76.57754836220954
2007	76.90318229383706
2008	77.22166799481836
2009	77.53214147557082
2010	77.83434626827275
2011	78.1423052544252
2012	78.44176689877324
2013	78.73507002361951
2014	79.02556865234756
2015	79.31292353690648
2016	79.5959374525545
2017	79.87516385176474
2018	80.14989578157848
2019	80.42185353896782
2020	80.69204388468616
2021	80.95871413756734
2022	81.22242834405179
2023	81.48439464537796