Year	% of total population
1960	47.8734169810769
1961	47.8097951384717
1962	47.7562692476903
1963	47.7111909675234
1964	47.671064285384
1965	47.4705547528351
1966	47.1084012490106
1967	46.7470620659625
1968	46.3886862723224
1969	46.0347651503144
1970	45.7284497605717
1971	45.6385037218256
1972	45.8395374408914
1973	46.1830121446156
1974	46.5392462646533
1975	46.8731883560232
1976	47.1861528344624
1977	47.4779669082293
1978	47.747806082925
1979	47.9956351426973
1980	48.2163442995681
1981	48.3945511917106
1982	48.4590067145059
1983	48.4397817702554
1984	48.4146219420108
1985	48.3764876561424
1986	48.3266243407959
1987	48.2676027831109
1988	48.2032424409644
1989	48.1372021040647
1990	48.071897032667
1991	48.0070752666987
1992	48.0098824870926
1993	48.0814655649945
1994	48.1484412827293
1995	48.2063753454511
1996	48.2652611699509
1997	48.3274812054683
1998	48.3914044762967
1999	48.456097869538
2000	48.5204561707253
2001	48.582974351989
2002	48.6436079838229
2003	48.7029405051172
2004	48.7618371403136
2005	48.8193989138882
2006	48.8832915781789
2007	48.9542073954093
2008	49.0222784608333
2009	49.0813798165639
2010	49.1299271775964
2011	49.1635805752196
2012	49.1858832182217
2013	49.2021298186335
2014	49.2124761544097
2015	49.2284954131386
2016	49.2509403098772
2017	49.2749725210672
2018	49.305440259051
2019	49.3339606081045
2020	49.3523017968098
2021	49.3634541185888
2022	49.3787391228972
2023	49.4014245602074