Year	% of total population
1960	38.4425884971604
1961	38.7802642386485
1962	39.1874646324523
1963	39.6811888938272
1964	40.3297601651165
1965	40.9142264377013
1966	41.332089239135
1967	41.7343856099312
1968	42.1156635102332
1969	42.4780306136164
1970	42.8195768863511
1971	43.1399239828123
1972	43.4362572899321
1973	43.7020808987601
1974	43.9362470850291
1975	44.1392007524781
1976	44.3008678797785
1977	44.4264186141989
1978	44.5266429598394
1979	44.6181667023676
1980	44.7226657391609
1981	44.8400116806277
1982	44.9612882053984
1983	45.0727928972763
1984	45.175882855872
1985	45.2741250696903
1986	45.3617324761723
1987	45.4391402296585
1988	45.5105627517205
1989	45.5646949201555
1990	45.60301374162
1991	45.6363354518679
1992	45.6580906788523
1993	45.2015582051777
1994	45.0614968377927
1995	45.4740548288141
1996	45.5981517958174
1997	45.5573454687675
1998	45.4515920957847
1999	45.3239178274012
2000	45.1785382814546
2001	45.0221196067881
2002	44.8659157566899
2003	44.7219833122422
2004	44.5958631735244
2005	44.4231729893873
2006	44.2912225944469
2007	44.2137533758017
2008	44.0839711048212
2009	43.8904130377772
2010	43.6866494782631
2011	43.533465506516
2012	43.4096906669945
2013	43.3127095523547
2014	43.2309132381032
2015	43.1598046371265
2016	43.1001650120832
2017	43.0381204573322
2018	42.9519047213671
2019	42.8371261445071
2020	42.712662844457
2021	42.5780042079281
2022	42.4310058126856
2023	42.2707591752773