Year	% of total population
1960	48.2616000511098
1961	48.7555035786801
1962	49.1859626949414
1963	49.5544698643394
1964	49.7038429483644
1965	49.5654269512785
1966	49.2824447473527
1967	48.9079396713951
1968	48.5068582554389
1969	48.1360837655203
1970	47.8116727469041
1971	47.5370342653029
1972	47.2900593496026
1973	47.0527008608671
1974	46.8311550132746
1975	46.6323689765346
1976	46.4771254808575
1977	46.3974091266778
1978	46.4128107697098
1979	46.4903158497974
1980	46.5951085762896
1981	46.7231603431554
1982	46.8862837557965
1983	47.164550137544
1984	47.5240348379464
1985	47.7856391955514
1986	47.9078316305016
1987	47.9998417418374
1988	48.196948378226
1989	48.5020561893712
1990	48.7503180514928
1991	48.7905843169112
1992	48.6685844676405
1993	48.470759316562
1994	49.65772840324
1995	51.1808812433213
1996	50.3559037478839
1997	49.5020564172584
1998	48.4174054289608
1999	47.2233025248368
2000	46.0864401965551
2001	45.0620876292765
2002	44.2532738292174
2003	43.6627709072774
2004	43.224991547572
2005	42.9292646449412
2006	42.7501779787856
2007	42.6393116954719
2008	42.5355038718323
2009	42.3847269198706
2010	42.1748998523722
2011	41.9328449875635
2012	41.7400976759572
2013	41.5905426633041
2014	41.4075434987782
2015	41.172682133468
2016	40.8617682178951
2017	40.5060235861001
2018	40.1454618577568
2019	39.7570655864561
2020	39.3268624174073
2021	38.8891639452491
2022	38.465895037617
2023	38.066453853556