Year	% of total population
1960	49.8932703812198
1961	49.8912112930902
1962	49.8865108627263
1963	49.8800551040963
1964	49.8749192543817
1965	49.8697089410497
1966	49.8620542221673
1967	49.8533658724623
1968	49.8431556144876
1969	49.831882285394
1970	49.82030385018
1971	49.8078989336011
1972	49.7951469221633
1973	49.7798776715249
1974	49.754267362848
1975	49.7231893121461
1976	49.6950354652463
1977	49.66845116215
1978	49.6429384221579
1979	49.6187003376711
1980	49.5963991434599
1981	49.5753819047287
1982	49.5568958128043
1983	49.5412520324889
1984	49.5269619155127
1985	49.5120328610046
1986	49.4974275661445
1987	49.4857108662939
1988	49.4822015548394
1989	49.485049482302
1990	49.4870611572708
1991	49.4883379222985
1992	49.4896510123721
1993	49.4909530765034
1994	49.4916622058563
1995	49.491160246847
1996	49.4896386711397
1997	49.4867606580088
1998	49.4742124838136
1999	49.4618567889875
2000	49.4577288381299
2001	49.4541202285335
2002	49.44940873869
2003	49.4431663061359
2004	49.4389514217488
2005	49.4350867651789
2006	49.4301244641843
2007	49.4254373356829
2008	49.4212442529583
2009	49.418192063066
2010	49.4170288653336
2011	49.4184172022419
2012	49.4220612037691
2013	49.4277930736552
2014	49.4337327777002
2015	49.4401261820829
2016	49.447868985259
2017	49.456083313718
2018	49.4648544601418
2019	49.4740395683067
2020	49.4852823564432
2021	49.4986595604643
2022	49.5118883987708
2023	49.5236080582242