Year	% of total population
1960	42.972245634797524
1961	43.06548167298163
1962	43.17245652902116
1963	43.312196847222516
1964	43.48714604749225
1965	43.654103648422996
1966	43.79879625807057
1967	43.938379642671045
1968	44.070948965581444
1969	44.200604228380804
1970	44.33250460990926
1971	44.466180739581084
1972	44.59797218359681
1973	44.708045172202226
1974	44.79230960644739
1975	44.872471396123814
1976	44.95617167713766
1977	45.02577285365625
1978	45.07767523825816
1979	45.13418106700571
1980	45.19175668553492
1981	45.261862362351586
1982	45.33613263936008
1983	45.39466210372868
1984	45.442748439347874
1985	45.479635976468074
1986	45.50732003640514
1987	45.53340971355645
1988	45.544964476723855
1989	45.54087296020322
1990	45.53162362747178
1991	45.511474199830204
1992	45.482306823484045
1993	45.449044141595714
1994	45.34656834200886
1995	45.21375239567451
1996	45.13490570938444
1997	45.04901169877652
1998	44.91100317138715
1999	44.75474572699915
2000	44.61221588648671
2001	44.477489000818366
2002	44.349352139161404
2003	44.227161520518
2004	44.11402066265544
2005	44.02053297176741
2006	43.944367086467
2007	43.875899201328444
2008	43.815795748724355
2009	43.757691653419776
2010	43.692028909449455
2011	43.62095270782295
2012	43.55233792732218
2013	43.47409111633825
2014	43.36679303997631
2015	43.22662527962938
2016	43.07950636283506
2017	42.919164424129484
2018	42.728834323251924
2019	42.52043395794793
2020	42.29507586515356
2021	42.064038281326255
2022	41.82299504406409
2023	41.552793375787736