Year	% of total population
1960	49.6270850049506
1961	49.4023328791322
1962	49.2132194799604
1963	49.1101213934612
1964	49.1051198426871
1965	49.2049192539789
1966	49.3580591845548
1967	49.4963613138612
1968	49.6162767023691
1969	49.7204785952372
1970	49.8044803451617
1971	49.8651048780618
1972	49.9179561624881
1973	49.9569750787206
1974	49.9778456751761
1975	49.9948118267952
1976	50.0110519131175
1977	50.0248545380141
1978	50.0234214344722
1979	49.9740846483119
1980	49.953092489985
1981	49.9958574412349
1982	50.0480110289338
1983	50.1039792479488
1984	50.1577969577089
1985	50.2327311197203
1986	50.3560342542621
1987	50.5218938401672
1988	50.7459913009004
1989	51.0479067836331
1990	51.4030516909424
1991	51.795945244708
1992	52.221293864345
1993	52.6752282601288
1994	53.160492599335
1995	53.6752670359931
1996	54.2006297700426
1997	54.7325066317399
1998	55.277470212393
1999	55.8171207304414
2000	56.34353182982
2001	56.8652648185051
2002	57.3873615458284
2003	57.9183560138882
2004	58.4546536599023
2005	58.9985513352025
2006	59.5542361615762
2007	60.1089335827751
2008	60.6502683665088
2009	61.1669835149091
2010	61.6544964008352
2011	62.1135898998293
2012	62.5298000682187
2013	62.8927869968505
2014	63.2093914394463
2015	63.4803808720607
2016	63.7168142977993
2017	63.9358515578545
2018	64.139871801553
2019	64.3298302921822
2020	64.5395121934612
2021	64.763726655125
2022	64.9819267537007
2023	65.2081184898111