Year	% of total population
1960	37.95390919734276
1961	38.116626890207066
1962	38.31424894712213
1963	38.552867832819416
1964	38.816544357855065
1965	39.137474822530976
1966	39.49957711626533
1967	39.88906965918841
1968	40.32910182885527
1969	40.79477436802932
1970	41.082290525497406
1971	40.91790452449038
1972	40.83641828040677
1973	40.80211901345361
1974	40.78434038550571
1975	40.745279257967695
1976	40.73384028365047
1977	40.717653731771506
1978	40.69772108620885
1979	40.67056349782335
1980	40.70235382350838
1981	40.76038029868858
1982	40.84855643219815
1983	40.96463749893304
1984	41.106880647110245
1985	41.24731472332102
1986	41.37828817928614
1987	41.529342813049915
1988	41.68285732207446
1989	41.80670807187652
1990	41.909862165051244
1991	42.04071071213054
1992	42.128147772501144
1993	42.247880731035785
1994	42.40886426721001
1995	42.59131759286903
1996	42.79062611752186
1997	42.981701777971836
1998	43.201444160629784
1999	43.43492677961531
2000	43.620243854989056
2001	43.656127392209264
2002	43.724683871052854
2003	43.83264749009134
2004	43.91837351443223
2005	44.008189960578115
2006	44.08371955730439
2007	44.17210939780266
2008	44.26316105817401
2009	44.382674725281404
2010	44.528298171823224
2011	44.72451218307147
2012	44.906743548501304
2013	45.11108714669126
2014	45.30794981448144
2015	45.520621260213666
2016	45.728003306886635
2017	45.97665384660273
2018	46.26489216853979
2019	46.39954942506
2020	46.34207151486833
2021	46.65396492464109
2022	46.82527855940172
2023	46.89490212831644