Year	% of total population
1960	55.6679518205674
1961	55.6781767162865
1962	55.6545529122144
1963	55.5544031475432
1964	55.3588089666658
1965	55.181437356666
1966	55.0609089463053
1967	54.9394111770484
1968	54.8177753558491
1969	54.6933256071706
1970	54.57664379518
1971	54.4429336882438
1972	54.2828726547156
1973	54.1146605472482
1974	53.9334673214054
1975	53.7435483744838
1976	53.5478685146682
1977	53.3603571503685
1978	53.1688231100092
1979	52.9699779253255
1980	52.7913023566862
1981	52.6058495714827
1982	52.4035007387088
1983	52.1943042965411
1984	52.016423779164
1985	51.8927196856776
1986	51.8133815490083
1987	51.7946619235634
1988	51.8328866757637
1989	51.916304034745
1990	52.0429248953911
1991	52.1843854195981
1992	52.3379603600625
1993	52.5192897571385
1994	52.7089375874161
1995	52.8844446831039
1996	53.043405882122
1997	53.2001194943223
1998	53.352733365611
1999	53.464559637341
2000	53.5092650742591
2001	53.4988712110461
2002	53.4443147416711
2003	53.3573395792461
2004	53.2645694395668
2005	53.1628569038175
2006	53.0460205247546
2007	52.9317600031742
2008	52.8215827478254
2009	52.7219458675309
2010	52.647079661747
2011	52.5956210147558
2012	52.5619079146422
2013	52.5542152258646
2014	52.5894239697763
2015	52.660172222587
2016	52.7653415319508
2017	52.9188577433807
2018	53.0969166027638
2019	53.2820402543837
2020	53.4955822386776
2021	53.732346480655
2022	53.9809030481191
2023	54.2518183895318