Year	% of total population
1960	23.3755921657357
1961	23.597011754708966
1962	23.984485463937517
1963	24.336424026782115
1964	24.718319931625125
1965	25.13290237375317
1966	25.50166158958737
1967	25.672897035263315
1968	25.85114300903775
1969	25.994816974408813
1970	26.07432580945135
1971	26.092211025885266
1972	26.128488400810053
1973	26.13286022132569
1974	26.12404780876494
1975	26.118198491950274
1976	26.148515310140365
1977	26.21829870209006
1978	26.27184524345919
1979	26.34833642089663
1980	26.473599390529774
1981	26.509151462496376
1982	26.293189511733317
1983	26.14071668660628
1984	26.012399987204248
1985	26.00383484611154
1986	26.01134562631191
1987	25.977971541136203
1988	26.058533045442644
1989	26.131177675705192
1990	26.078337517579815
1991	25.944200088562308
1992	25.973167942041858
1993	26.049049552032137
1994	26.153093288576773
1995	26.226425603122998
1996	26.231323075400482
1997	26.20003260599466
1998	26.15859203123552
1999	26.09520222990072
2000	25.978812007019915
2001	25.795352232128195
2002	25.595207666837826
2003	25.436548438003953
2004	25.22889189934211
2005	24.934698169241
2006	24.526633456500633
2007	24.118299354708473
2008	23.920157592842394
2009	23.96677231761431
2010	24.12720620242075
2011	24.308353296577092
2012	24.47050602745974
2013	24.60768335072157
2014	24.695474629326668
2015	24.730617485442764
2016	24.720676881860058
2017	24.720659118839585
2018	24.683542223270486
2019	24.616584994143086
2020	24.63560465376575
2021	24.675393052958338
2022	24.49622306262519
2023	24.13682625092591