Year	% of total population
1960	47.0437981862067
1961	46.8976451803799
1962	46.7448874111491
1963	46.6141620114574
1964	46.4918759231905
1965	46.3755734264435
1966	46.2676625487358
1967	46.1709796987112
1968	46.0892444038969
1969	46.0144361466113
1970	45.9491686852703
1971	45.8958937302583
1972	45.8647818411798
1973	45.8444302820917
1974	45.8240989151989
1975	45.804338158381
1976	45.7786070857364
1977	45.7539868667917
1978	45.7406230133503
1979	45.7320927062781
1980	45.7144225499013
1981	45.7060572182237
1982	45.760853312067
1983	45.8599769664085
1984	45.9577421488527
1985	46.0536919399061
1986	46.1466832017057
1987	46.235360436158
1988	46.3201331548169
1989	46.4008100196595
1990	46.476894413732
1991	46.5567331208775
1992	46.649075756265
1993	46.7467238938861
1994	46.8398787401305
1995	46.9285883843703
1996	47.0153104547414
1997	47.0960841594432
1998	47.1707189085185
1999	47.2460976318244
2000	47.3188670543773
2001	47.3869252350711
2002	47.4568515208814
2003	47.5323758279315
2004	47.6065371843278
2005	47.6749100805253
2006	47.7401236024978
2007	47.8035527580344
2008	47.8651369848765
2009	47.9256285372434
2010	47.9849919076487
2011	48.0276758006107
2012	48.0532862475838
2013	48.0772500497933
2014	48.0998713567067
2015	48.1213087602655
2016	48.1424621004052
2017	48.1639691732748
2018	48.1854773714291
2019	48.2077306596537
2020	48.2309128982965
2021	48.2566298361149
2022	48.2841947251905
2023	48.3132386348569