Year	% of total population
1960	81.4147819202076
1961	81.09478175029591
1962	80.82685332330807
1963	80.54501165276207
1964	80.25811450565718
1965	79.96824948462108
1966	79.67342790895502
1967	79.3695036790336
1968	79.06009652075016
1969	78.74749552816195
1970	78.41904182812405
1971	78.0035925093995
1972	77.597100544243
1973	77.16554427847142
1974	76.72018292922239
1975	76.26950593374329
1976	75.81715106329132
1977	75.3878469030932
1978	74.95332386138993
1979	74.53131950795594
1980	74.16276707498774
1981	73.7239023399569
1982	73.30992989105266
1983	72.88856499942534
1984	72.45980761341005
1985	72.02777321874981
1986	71.58757649839266
1987	71.1432053937493
1988	70.70485583534757
1989	70.24885391500183
1990	69.76090797985194
1991	69.39049633005229
1992	69.01619203994792
1993	68.65054455463084
1994	68.2855378994625
1995	67.91960618073499
1996	67.54967229775404
1997	67.18093473493778
1998	66.82207107658115
1999	66.4818550478903
2000	66.13573109671046
2001	65.69396561656728
2002	65.2480342529034
2003	64.81003855130072
2004	64.36827681189772
2005	63.92119422424858
2006	63.46768878277785
2007	63.00724952381569
2008	62.540468267001685
2009	62.06869765450531
2010	61.58164394339722
2011	61.1097724064769
2012	60.658226638862814
2013	60.20130400450091
2014	59.73712287753164
2015	59.2674663466371
2016	58.79578057929332
2017	58.324690268869276
2018	57.84776430580798
2019	57.364069979687244
2020	56.87585273345383
2021	56.38306338124848
2022	55.885022850168234
2023	55.382375475549715