Year	% of total population
1960	77.87112712581909
1961	77.38793061273192
1962	76.92003396058831
1963	76.47743973253887
1964	76.02629298024436
1965	75.82239855654498
1966	75.61256438345093
1967	75.38568161486852
1968	75.15838890529878
1969	74.93559290979769
1970	74.71348772715598
1971	74.46400196592218
1972	74.17885264632213
1973	73.85722196193349
1974	73.49064869828747
1975	73.17476938269061
1976	72.797308680992
1977	72.41618941487847
1978	71.93724837881746
1979	71.35633495077421
1980	70.759724437883
1981	70.15502959200678
1982	69.58908942430354
1983	69.06748302966895
1984	68.53389029566114
1985	68.00041151356
1986	67.46843797305465
1987	66.94091412276906
1988	66.41543469956223
1989	65.89564831862123
1990	65.35637879946503
1991	64.83008471907452
1992	64.30765823593707
1993	63.78787613790185
1994	63.267220875119314
1995	62.746878389112815
1996	62.221563457964926
1997	61.692414289170195
1998	61.159434869244734
1999	60.62453482865345
2000	60.07989878870499
2001	59.47879087574193
2002	58.826769668175245
2003	58.168822638773726
2004	57.50483555975633
2005	56.83608678971405
2006	56.17808891940396
2007	55.52947537709252
2008	54.87563401912708
2009	54.2212424777168
2010	53.57157064335795
2011	52.94737642627526
2012	52.331538675872686
2013	51.70758764971397
2014	51.07749642553669
2015	50.45117870473759
2016	49.834699714343415
2017	49.223011057963404
2018	48.615785018893575
2019	48.01684719136477
2020	47.433437044650724
2021	46.86152677559749
2022	46.309667868080396
2023	45.75859019994687