Year	% of total population
1960	25.81324945435871
1961	25.444651795093616
1962	25.2911003682689
1963	25.142597617356266
1964	24.902720054063188
1965	24.74569639207371
1966	24.621964041077707
1967	24.567528973509933
1968	24.566575730019196
1969	24.585882724705233
1970	24.638160883982174
1971	24.680377440634494
1972	24.745365346984578
1973	24.84633866652105
1974	24.96723333512093
1975	25.119923361545425
1976	25.294499221587962
1977	25.461262901729874
1978	25.61583962919271
1979	25.65473621794344
1980	25.55453291128967
1981	25.426567056849507
1982	25.29556196962666
1983	25.16189355707607
1984	25.013451890649147
1985	24.893353222941013
1986	24.787867598186196
1987	24.670656766564612
1988	24.58050640896969
1989	24.406017056333948
1990	24.15893633626937
1991	23.927261975162626
1992	23.655028074857253
1993	23.384693387415275
1994	23.15626172407211
1995	22.9743326154707
1996	22.826755120443128
1997	22.690587822536916
1998	22.5588525211677
1999	22.472656665935926
2000	22.438399224709887
2001	22.414254364335733
2002	22.396747410348816
2003	22.3766896199949
2004	22.33052428820803
2005	22.25136292950899
2006	22.208225539362726
2007	22.21070234113712
2008	22.194833055663327
2009	22.381654326366235
2010	22.77189526516147
2011	22.94398981716287
2012	22.91006331472418
2013	22.883524882813173
2014	22.867728730931333
2015	22.864981142235514
2016	22.87937090815031
2017	22.924329561307538
2018	22.995791351732347
2019	23.075346136975583
2020	23.198404140800452
2021	23.385623042588346
2022	23.67546606327346
2023	24.05231912212097