Year	% of total population
1960	49.7254854139506
1961	49.72762585748505
1962	49.72248910865854
1963	49.711104092065916
1964	49.700391394665566
1965	49.693131195064026
1966	49.68545894123162
1967	49.67773115251607
1968	49.66947850928467
1969	49.660364292312444
1970	49.654552144479005
1971	49.64458840245248
1972	49.62798378529628
1973	49.612081862976744
1974	49.597696042509746
1975	49.58634142862429
1976	49.58064174846458
1977	49.57639365437705
1978	49.57093425497347
1979	49.568415634661115
1980	49.565868464018735
1981	49.56130784340498
1982	49.56013441100911
1983	49.56376197034425
1984	49.56883317257412
1985	49.57482561911044
1986	49.575143528689594
1987	49.56787481924351
1988	49.5599159219278
1989	49.55101140612683
1990	49.54134665065038
1991	49.53240395032868
1992	49.5259980648469
1993	49.52300036140764
1994	49.51917437931133
1995	49.514074234571865
1996	49.50796629701132
1997	49.49852394087614
1998	49.48807473032333
1999	49.47846575896598
2000	49.46782823424365
2001	49.45912167002723
2002	49.45311230758368
2003	49.44752596040688
2004	49.442521784263235
2005	49.438609732974065
2006	49.43520383559646
2007	49.43198123777172
2008	49.430095833101724
2009	49.42922994238383
2010	49.428244349768846
2011	49.42707179550918
2012	49.42611613716656
2013	49.42582471250034
2014	49.42527460276724
2015	49.42501003323552
2016	49.42817667987653
2017	49.434304202485556
2018	49.44099791343314
2019	49.449274312713676
2020	49.46269873363129
2021	49.48157258231186
2022	49.495856357713826
2023	49.51052171630829