Year	% of total population
1960	46.9391535728119
1961	46.9542180644093
1962	47.0289428982099
1963	47.0974190324193
1964	47.1476536766227
1965	47.1762048192771
1966	47.1959584723767
1967	47.1958637469586
1968	47.1831301876916
1969	47.1774964341906
1970	47.2603236809638
1971	47.4693936338758
1972	47.7086016888507
1973	47.9412517416896
1974	48.1728841320494
1975	48.4039270687237
1976	48.6257456653844
1977	48.8467189709185
1978	49.0617842655702
1979	49.26890941073
1980	49.4587409904355
1981	49.5886579279329
1982	49.6475091565004
1983	49.6824364526976
1984	49.7164145907473
1985	49.7471925805911
1986	49.75356315383
1987	49.7330810077957
1988	49.6995610608407
1989	49.6634512325831
1990	49.6135634202156
1991	49.5870756859172
1992	49.6093297835398
1993	49.640735011349
1994	49.6791814792335
1995	49.7261600265892
1996	49.7715640632681
1997	49.8168816317077
1998	49.8708984884969
1999	49.9170281522024
2000	49.9414742633073
2001	49.9743224803017
2002	50.0410184289942
2003	50.1095818357149
2004	50.1852013882813
2005	50.2650202405568
2006	50.3185825259667
2007	50.3525990548891
2008	50.3954522985665
2009	50.4412170904386
2010	50.4937822703803
2011	50.5047860114632
2012	50.4601672279642
2013	50.4831514552667
2014	50.3466866558072
2015	50.2006942162927
2016	50.2019265073136
2017	50.1384884166868
2018	50.0571848128433
2019	49.9425995407963
2020	49.8409611778596
2021	49.7693752416726
2022	49.7147256554436
2023	49.6741511500548