Year	% of total population
1960	53.91476747450746
1961	53.830161243748954
1962	53.728630726842674
1963	53.59448428651199
1964	53.425146540110056
1965	53.26389050650833
1966	53.12497757856724
1967	52.991151698940484
1968	52.863046089861975
1969	52.736628363813324
1970	52.60841840199758
1971	52.47891991259311
1972	52.35074671552487
1973	52.24250916664659
1974	52.159177870241514
1975	52.07970143650903
1976	51.99381144258575
1977	51.920266030486424
1978	51.863798510708484
1979	51.80209744119951
1980	51.74684487109289
1981	51.68343316731593
1982	51.612506402243135
1983	51.55904141172609
1984	51.51597577254064
1985	51.48086165921636
1986	51.4558158933617
1987	51.43051567138687
1988	51.42151631180188
1989	51.43177406642794
1990	51.44569417248867
1991	51.4690297430357
1992	51.50170421647604
1993	51.541094543685745
1994	51.65344762097719
1995	51.797801355506934
1996	51.88551330762242
1997	51.979272073549005
1998	52.12653384241779
1999	52.29139341614076
2000	52.43991892695524
2001	52.57916818792894
2002	52.71132382667875
2003	52.83779183931475
2004	52.95533843606562
2005	53.052256247026975
2006	53.13110537430138
2007	53.201873781200035
2008	53.26383313419675
2009	53.321096608015914
2010	53.381253988520314
2011	53.44341945272364
2012	53.50194524283426
2013	53.57214734004426
2014	53.6736876238022
2015	53.804857935226636
2016	53.936665882085805
2017	54.078204328859776
2018	54.24746453451288
2019	54.4335921413221
2020	54.647452583761726
2021	54.88486659611851
2022	55.134732138909044
2023	55.39948391134108