Year	% of total population
1960	51.8009382967813
1961	51.2443194363225
1962	50.7348754233601
1963	50.3008887994206
1964	50.1261673241684
1965	50.151086774687
1966	50.1633843937814
1967	50.1580818651668
1968	50.131763236825
1969	50.0784495415696
1970	49.9972438725488
1971	49.876272886446
1972	49.729048983916
1973	49.5921854127788
1974	49.4842720872511
1975	49.4087024130801
1976	49.3622282389738
1977	49.34333966737
1978	49.3489719929209
1979	49.3807068184633
1980	49.445020105805
1981	49.5586387337887
1982	49.721404535249
1983	49.9222311994393
1984	50.1535993398713
1985	50.407530929584
1986	50.696330937888
1987	50.9913581673005
1988	51.2533586227669
1989	51.4806400147563
1990	51.6650421846369
1991	51.8101453133702
1992	51.927162075113
1993	52.0169335111456
1994	52.0727651949262
1995	52.0858416754466
1996	52.0606526830818
1997	52.0211226780879
1998	51.9903485258559
1999	51.9825188469218
2000	52.0148638131288
2001	52.0790153483029
2002	52.179030195589
2003	52.3221242463035
2004	52.4964941212904
2005	52.7034676489339
2006	52.9349456805537
2007	53.1835650544408
2008	53.4540257904037
2009	53.7472962659821
2010	54.0684314745355
2011	54.4247427461359
2012	54.8053229435902
2013	55.1821389737488
2014	55.5184654857286
2015	55.809421485026
2016	56.0723271234987
2017	56.3137234117433
2018	56.5476647438491
2019	56.7848414931624
2020	57.0341446757649
2021	57.3019751153809
2022	57.5810893621355
2023	57.8632644382665