Year	% of total population
1960	43.12032860869613
1961	43.41979172373349
1962	43.65263714194344
1963	43.851593600799795
1964	43.9825750212395
1965	44.071659155774434
1966	44.167272258613245
1967	44.24831110387322
1968	44.289622583984276
1969	44.30411774451186
1970	44.30880500095189
1971	44.306278085124504
1972	44.30027779357781
1973	44.28131253000522
1974	44.23912924142188
1975	44.219546456734996
1976	44.23962512097548
1977	44.22224082075219
1978	44.173413876392075
1979	44.13784966077976
1980	44.10393806082609
1981	43.951091239441
1982	43.8180151143559
1983	43.80967603764298
1984	43.78424916978038
1985	43.73903539963738
1986	43.673298918867886
1987	43.58147025374263
1988	43.453486587677
1989	43.26769713957181
1990	42.96843315590248
1991	42.55507271290539
1992	42.20265613482012
1993	41.89442031281522
1994	41.48364864228345
1995	40.88415728059588
1996	40.18333213407394
1997	39.384489364355474
1998	38.544364980569384
1999	37.70265581691798
2000	36.860388722353555
2001	36.03371263525651
2002	35.278362562785304
2003	34.56603834657182
2004	33.872954684703984
2005	33.246539911598774
2006	32.64794638743188
2007	32.08538250357537
2008	31.67484411948766
2009	31.408327789413317
2010	31.228847487705437
2011	31.17654084367707
2012	31.232640121553615
2013	31.360542132456764
2014	31.535238879653107
2015	31.687546249760494
2016	31.737236498261193
2017	31.70939517396364
2018	31.63201003248942
2019	31.478746113038266
2020	31.280865787919783
2021	31.05050111630334
2022	30.761483035083696
2023	30.40780911493235