Year	% of total population
1960	51.1616264404272
1961	50.9885308574549
1962	50.8870709985056
1963	50.8678998015876
1964	50.9324891344758
1965	51.0400181190108
1966	51.194836998729
1967	51.4376533319578
1968	51.7824922722513
1969	52.2087732980946
1970	52.6936906473172
1971	53.2426897914758
1972	53.8552246877153
1973	54.5242050145857
1974	55.2223494347464
1975	55.9263678765064
1976	56.6129092159354
1977	57.2577106836515
1978	57.8441394272617
1979	58.3576601633367
1980	58.7968453006934
1981	59.1588518194544
1982	59.4324677157575
1983	59.5943424914658
1984	59.6656590757362
1985	59.6780472984846
1986	59.6421298394209
1987	59.5855665485307
1988	59.5277667229781
1989	59.5005490417184
1990	59.5286762129766
1991	59.6285995509374
1992	59.8083890450142
1993	60.0576089778151
1994	60.3771202859606
1995	60.7558211134174
1996	61.1818882489469
1997	61.6523973026309
1998	62.168711302849
1999	62.7158887894951
2000	63.2719452501984
2001	63.8310504789708
2002	64.3897950406816
2003	64.9421687693329
2004	65.4766583752655
2005	65.9858564415612
2006	66.4557681214635
2007	66.8728782466922
2008	67.2331100434681
2009	67.5483974532818
2010	67.833489804698
2011	68.0755563148267
2012	68.2737815689694
2013	68.4354074425001
2014	68.5718965746982
2015	68.7018537592217
2016	68.8077642888414
2017	68.8594341650611
2018	68.8671828348808
2019	68.869865394678
2020	68.8812253506419
2021	68.9212579771232
2022	68.9846258195358
2023	69.0103148916968