Year	% of total population
1960	49.8989858116732
1961	49.9029265994159
1962	49.907779157357
1963	49.9140081746759
1964	49.9185018637912
1965	49.923619650033
1966	49.9332363732268
1967	49.9298794333111
1968	49.9149381718165
1969	49.9062356571607
1970	49.9132308104711
1971	49.9351872863629
1972	49.9598874641819
1973	49.9865935069087
1974	50.0146088983946
1975	50.0403889739008
1976	50.0621366331616
1977	50.078954456214
1978	50.0911554010832
1979	50.101571997419
1980	50.1106811614778
1981	50.1210189978802
1982	50.1321825236958
1983	50.1421635101282
1984	50.158354284398
1985	50.1730813729327
1986	50.1811176226428
1987	50.1895031411898
1988	50.1999419666313
1989	50.2122356855098
1990	50.2253008181327
1991	50.2293987553509
1992	50.2279724874852
1993	50.2298170093417
1994	50.2354898868317
1995	50.2393878559661
1996	50.2373022330806
1997	50.2376172719396
1998	50.2445301322532
1999	50.2537316232226
2000	50.2624117165255
2001	50.2730017352466
2002	50.2834260098232
2003	50.2906851550958
2004	50.2973679241276
2005	50.3027402763294
2006	50.3092369776202
2007	50.319561756054
2008	50.3332088527275
2009	50.3500356631627
2010	50.3665859219035
2011	50.3824224454729
2012	50.3973719220895
2013	50.410854706597
2014	50.4237223600335
2015	50.4378043225284
2016	50.4550423836597
2017	50.4728789947996
2018	50.4896008557953
2019	50.5059371732918
2020	50.5181610647913
2021	50.5278085834548
2022	50.5388137043918
2023	50.5498429540994