Year	% of total population
1960	36.40448114577318
1961	36.58447611531442
1962	36.77811197796951
1963	36.98136435094555
1964	37.17187029997683
1965	37.32816789774709
1966	37.49352176065803
1967	37.66764393837716
1968	37.84922983063346
1969	38.02964731231507
1970	38.209843887404034
1971	38.428904719912914
1972	38.85245742745829
1973	39.479895065282065
1974	40.09554190429001
1975	40.69861969896749
1976	41.28833667131215
1977	41.861096052784845
1978	42.417305133364785
1979	42.95686532602422
1980	43.49329709737914
1981	43.61976820730976
1982	43.77892352267236
1983	43.95270971373826
1984	44.14750548771095
1985	44.36614775854256
1986	44.60038032226545
1987	44.83530582033872
1988	45.08270898173111
1989	45.34228854805572
1990	45.57654761037441
1991	45.71822382035403
1992	45.75672528486785
1993	45.78448131688007
1994	45.81802255944566
1995	45.88080160874516
1996	45.954313298845086
1997	46.02407229799785
1998	46.092547317909776
1999	46.153159131951156
2000	46.21260325362726
2001	46.275232430071604
2002	46.2753296390059
2003	46.24439368225909
2004	46.199516112674296
2005	46.129805296937896
2006	46.067107726299355
2007	46.01133173993067
2008	45.96106209774774
2009	45.91862242171504
2010	45.88820884325629
2011	45.90659173022562
2012	45.97456852278976
2013	46.01693604197909
2014	46.07477641351872
2015	46.14700148216487
2016	46.22635390497342
2017	46.32018123143843
2018	46.31050971123957
2019	46.37684913411775
2020	46.54402042376742
2021	46.658055065352
2022	46.81044809515684
2023	46.9772311602159