Year	% of total population
1960	83.30116522071962
1961	83.16801707959745
1962	82.98114689538923
1963	82.79237177301314
1964	82.60108267646355
1965	82.40912656609959
1966	82.21463526630143
1967	82.01772299886717
1968	81.81807635700605
1969	81.61457566989641
1970	81.40413274975411
1971	81.15384323057673
1972	80.82475382549734
1973	80.49930773544257
1974	80.1527302945899
1975	79.77180956183096
1976	79.37925986092378
1977	78.97730153144029
1978	78.56559917397442
1979	78.14039662516967
1980	77.69567864197312
1981	77.30005846881843
1982	77.03675085725304
1983	76.77976451491347
1984	76.52398752535245
1985	76.26455209847502
1986	75.99812272775421
1987	75.72846693845372
1988	75.45651419954633
1989	75.18937010934069
1990	74.92093532576853
1991	74.66376047669775
1992	74.44066378905273
1993	74.2188424306566
1994	73.99104415903452
1995	73.75980254805492
1996	73.52323333082303
1997	73.28559654900255
1998	73.04871397044691
1999	72.81485497685814
2000	72.57581012268327
2001	72.29717913695247
2002	71.9603338667455
2003	71.62360838706297
2004	71.27892145111088
2005	70.93132876417923
2006	70.58143257244124
2007	70.22535164249845
2008	69.86602389037637
2009	69.50683143106808
2010	69.14460729935368
2011	68.78095693155501
2012	68.4094540748619
2013	68.02972395438123
2014	67.64146586267017
2015	67.24419399345445
2016	66.83765936451668
2017	66.4213865576448
2018	65.99410080202519
2019	65.55536594212386
2020	65.1067942113801
2021	64.6480750073209
2022	64.17500135048569
2023	63.687702222808674