Year	% of total population
1960	21.561039098732138
1961	21.74560465357853
1962	21.880114326002094
1963	21.909309742018973
1964	21.926939421775728
1965	21.945349403754935
1966	21.974113235669698
1967	22.013885958464822
1968	22.049649900761594
1969	22.05409067436553
1970	22.062389621119866
1971	22.06831083328533
1972	22.07980684939335
1973	22.107784835202697
1974	22.15992062191977
1975	22.21031033868606
1976	22.232260949456883
1977	22.25321579872726
1978	22.272012204192272
1979	22.29080932158311
1980	22.298271132859853
1981	22.298965502619023
1982	22.305810959601363
1983	22.336002421460414
1984	22.373436094558823
1985	22.407144029537633
1986	22.440924450920267
1987	22.472719155084413
1988	22.50519816808172
1989	22.542274747749907
1990	22.56464031057719
1991	22.452076526322116
1992	22.42562749805892
1993	22.41322673509224
1994	22.414521002329693
1995	22.41814363474035
1996	22.423389255196582
1997	22.428488510844698
1998	22.430480461198094
1999	22.42210073247541
2000	22.42246499193124
2001	22.41290276196862
2002	22.403768563448885
2003	22.39879486586
2004	22.388574671473798
2005	22.374674969984596
2006	22.37362576984463
2007	22.389917349477724
2008	22.41969579974407
2009	22.452564737994056
2010	22.49027938012235
2011	22.49803899237761
2012	22.505732366120924
2013	22.50581945726155
2014	22.516989253253104
2015	22.55361191046403
2016	22.611070206353016
2017	22.66275511439221
2018	22.699103617021667
2019	22.74116574551603
2020	22.802377649370168
2021	22.864508429098603
2022	22.926584423242918
2023	22.995811309300592