Year	% of total population
1960	24.317990326487198
1961	24.622907102694583
1962	24.817655182816175
1963	25.032099099746464
1964	25.26154537891361
1965	25.498035783689843
1966	25.755854650183608
1967	26.030755281748284
1968	26.316108872968684
1969	26.611769167462608
1970	26.950421267552983
1971	27.426305374255662
1972	27.926321967835843
1973	28.438086264806934
1974	28.95992960010572
1975	29.493433498149496
1976	30.049591531373494
1977	30.621500126574077
1978	31.204710323846435
1979	31.809923117077872
1980	32.438498641827934
1981	33.07679160666367
1982	33.63063256558933
1983	33.785493323474036
1984	33.9427407098495
1985	34.085267096724785
1986	34.210574260166325
1987	34.31660602429806
1988	34.41271198753962
1989	34.50388803270169
1990	34.59465386302255
1991	34.6822450614569
1992	34.78937509473204
1993	34.96778842932321
1994	35.1659041647145
1995	35.388168078399666
1996	35.63824746674468
1997	35.90651786186359
1998	36.19936250153533
1999	36.51901866119853
2000	36.85797996703839
2001	37.210520396254104
2002	37.48986063914453
2003	37.39471667770554
2004	37.319332554457915
2005	37.2504306099586
2006	37.18121224457936
2007	37.11182987787364
2008	37.03547143702035
2009	36.948825751493445
2010	36.86938527167643
2011	36.79661768695425
2012	36.73053922808691
2013	36.66731867783557
2014	36.5892943040773
2015	36.503182630405924
2016	36.35918488505702
2017	36.08092232729841
2018	35.72113926994966
2019	35.313539205498465
2020	35.062759338383856
2021	34.94347049717481
2022	34.97772082490616
2023	35.16829439636793