Year	% of total population
1960	48.7393960965771
1961	48.6907524030494
1962	48.6426290132795
1963	48.6022793807274
1964	48.5611034628826
1965	48.5222562623896
1966	48.4760758954307
1967	48.4674212297339
1968	48.5053338127772
1969	48.5499488217231
1970	48.5928032930947
1971	48.6348744084456
1972	48.6821618594231
1973	48.7280793722616
1974	48.7484647907224
1975	48.7424714100795
1976	48.7405315999621
1977	48.7808695107828
1978	48.8532324607439
1979	48.9244192070959
1980	48.9949125201638
1981	49.0644941453442
1982	49.138046651742
1983	49.2178880399253
1984	49.2970666446785
1985	49.3709752202359
1986	49.4416860668741
1987	49.4619681287991
1988	49.4348523060272
1989	49.3997702761768
1990	49.3552928783413
1991	49.3061306938693
1992	49.2544831754987
1993	49.2039560969726
1994	49.1652545346983
1995	49.1353011192574
1996	49.1042467188982
1997	49.1068767509786
1998	49.137088896125
1999	49.1586750603048
2000	49.1798485424403
2001	49.2025966476117
2002	49.2206466032138
2003	49.2270855282061
2004	49.2335961003846
2005	49.2412409000975
2006	49.2485168094924
2007	49.3107522646711
2008	49.4360902255639
2009	49.5529381019936
2010	49.647523350996
2011	49.7439852803152
2012	49.8409331919406
2013	49.9416373296977
2014	50.0431414476769
2015	50.1375775051356
2016	50.2265696689907
2017	50.3078309538491
2018	50.3861150737042
2019	50.4578327028804
2020	50.5073441389401
2021	50.5371779997548
2022	50.5437122162122
2023	50.528425486903