Year	% of total population
1960	49.7409997409997
1961	49.66945128914
1962	49.6139753506792
1963	49.5634159329477
1964	49.5132227958412
1965	49.4664974583301
1966	49.4203364705553
1967	49.3732624157509
1968	49.3282306555624
1969	49.2826249268499
1970	49.2323037536988
1971	49.1781056288907
1972	49.106274676151
1973	49.0324213477313
1974	48.969222116634
1975	48.8994592364857
1976	48.8293153326904
1977	48.7599012282333
1978	48.6870820133756
1979	48.611501417878
1980	48.534596527915
1981	48.4511921744447
1982	48.3724721104376
1983	48.2982925586137
1984	48.2213690802648
1985	48.1438211428827
1986	48.068491224482
1987	47.9867146203172
1988	47.9008991111424
1989	47.8170157857909
1990	47.7336181053227
1991	47.6438676050342
1992	47.5449551743794
1993	47.4336156258353
1994	47.3071688287779
1995	47.1731566085848
1996	47.0303079133599
1997	46.8755309388698
1998	46.7153184165232
1999	46.5497623053242
2000	46.3917015499491
2001	46.3013133661853
2002	46.2817048846388
2003	46.2601671464908
2004	46.2183715528353
2005	46.1650244800119
2006	46.0992623476588
2007	46.0297530223049
2008	45.9611739667631
2009	45.8938921087829
2010	45.8231898607103
2011	45.7436741156751
2012	45.79073852685
2013	45.9491019405788
2014	46.0699300699301
2015	46.155615313849
2016	46.2097118994489
2017	46.2413423194422
2018	47.570944446249
2019	48.2872190029362
2020	47.8709691052787
2021	47.9152875411111
2022	47.9418088228371
2023	47.9739895979217