Year	% of total population
1960	40.5061258689205
1961	40.5814200516526
1962	40.623466176025
1963	40.6477648848727
1964	40.6999122336298
1965	40.7631956125879
1966	40.8336019944298
1967	40.9294256242298
1968	41.0456509650033
1969	41.1789489972679
1970	41.3258268166052
1971	41.5028590507049
1972	41.7018484258505
1973	41.9092641787356
1974	42.1296726540115
1975	42.3691843620431
1976	42.6432772848477
1977	42.9305186461419
1978	43.2182849616383
1979	43.5206652628767
1980	43.8184364348412
1981	44.1088143898523
1982	44.3890213398587
1983	44.6449672483023
1984	44.9142345567595
1985	45.2268849759229
1986	45.5832762469317
1987	45.9584469755659
1988	46.3029158140144
1989	46.5718279276263
1990	46.7451240499469
1991	46.8855136884789
1992	47.0063386008937
1993	47.0739076208781
1994	47.0943455209343
1995	47.0716660416516
1996	47.0241581396432
1997	46.9542709998353
1998	46.8355580534561
1999	46.6929400797454
2000	46.5673544529941
2001	46.4591937195866
2002	46.380535948461
2003	46.3457262157814
2004	46.3653195584424
2005	46.4535283843597
2006	46.5698401549993
2007	46.6876151203843
2008	46.8280458066568
2009	46.993398030352
2010	47.1859026946077
2011	47.397615820811
2012	47.709039232775
2013	47.9711268488813
2014	48.0688577260447
2015	48.1197040353518
2016	48.1061791842249
2017	48.0348284217971
2018	47.9338299246856
2019	47.7968461193779
2020	47.6079883942925
2021	47.3935793513284
2022	47.1890114145425
2023	46.972289522851