Year	% of total population
1960	52.4206736384999
1961	54.1803268470849
1962	56.2945315529946
1963	58.1432777232581
1964	59.6405384969712
1965	60.7587616146817
1966	61.6248529451998
1967	62.3235212138105
1968	62.847498441229
1969	63.1935474611786
1970	62.0831815061818
1971	60.4583892138411
1972	59.9371031023743
1973	60.1973322584191
1974	60.9859480924375
1975	62.0911798936645
1976	63.3521414471268
1977	64.6752635065687
1978	65.9948650273886
1979	67.2473191790082
1980	68.3619240188791
1981	69.2824188289393
1982	70.0242796089671
1983	70.650271066062
1984	71.2229461780778
1985	71.7763349400126
1986	71.9003054968509
1987	71.6375056304748
1988	71.4954172403962
1989	71.5214847661781
1990	71.6471066362219
1991	71.8206821465304
1992	72.0082538975265
1993	72.1934694742516
1994	72.3741093407499
1995	72.5583223733699
1996	72.7739669409776
1997	73.1831795289062
1998	73.8169269230935
1999	74.503833348008
2000	75.1416933849586
2001	75.6943922714195
2002	76.1185554108994
2003	76.4918496430649
2004	76.5173820463826
2005	77.6790658764478
2006	80.8851693495951
2007	83.3624010517143
2008	84.4811679195999
2009	85.1750120864486
2010	85.3248330102623
2011	84.9392366523914
2012	84.4945845533831
2013	84.2773804280569
2014	84.5990080220297
2015	85.1167856835941
2016	85.26419889903
2017	85.1289635547761
2018	84.8763631605808
2019	84.2386013283533
2020	83.3925158990503
2021	82.8353919951195
2022	82.6671853815894
2023	82.6977228241442