Year	% of total population
1960	54.7276851699155
1961	54.5144467906098
1962	54.2572592348001
1963	53.9327453219573
1964	53.5532527382402
1965	53.2250963625586
1966	52.9575505516371
1967	52.7050392292505
1968	52.4764198042705
1969	52.2440342880525
1970	52.065751875461
1971	51.8615796513068
1972	51.6157750276976
1973	51.4566879628535
1974	51.3604336316786
1975	51.3849705204505
1976	51.4814140773446
1977	51.5384262703881
1978	51.5562168820318
1979	51.5338824553241
1980	51.4820514002515
1981	51.4407960802108
1982	51.4515200981226
1983	51.5357325050235
1984	51.6849316537445
1985	51.8839240039134
1986	52.1390375011756
1987	52.4660465587828
1988	52.8397091977873
1989	53.220080046105
1990	53.6149821893902
1991	54.0747489484081
1992	54.5805207554158
1993	55.0979900969996
1994	55.6416605727645
1995	56.2079391272198
1996	56.7972112851664
1997	57.3858222330328
1998	57.9370459320576
1999	58.4477798651671
2000	58.9303644916583
2001	59.3449310932889
2002	59.6928461797766
2003	60.014247430988
2004	60.3398969196027
2005	60.6742455045154
2006	60.9507992812477
2007	61.2037522856722
2008	61.4429171932
2009	61.7427278938176
2010	62.1711544306862
2011	62.656331795875
2012	63.2053948194889
2013	63.8035710537028
2014	64.4095999880381
2015	64.9914197712457
2016	65.5537627840451
2017	66.0974536296591
2018	66.5826225927406
2019	66.9993062673941
2020	67.3848587426339
2021	67.7199042390233
2022	67.9864231015235
2023	68.2055225229733