Year	% of total population
1960	87.449
1961	86.652
1962	85.811
1963	84.926
1964	83.996
1965	83.02199999999999
1966	82
1967	81.66
1968	81.315
1969	80.965
1970	80.61
1971	80.25
1972	79.885
1973	79.51599999999999
1974	79.14099999999999
1975	78.761
1976	78.375
1977	77.986
1978	77.59
1979	77.19
1980	76.785
1981	76.351
1982	75.905
1983	75.452
1984	74.994
1985	74.531
1986	74.062
1987	73.587
1988	73.107
1989	72.622
1990	72.131
1991	71.634
1992	71.565
1993	71.61
1994	71.654
1995	71.699
1996	71.743
1997	71.787
1998	71.832
1999	71.876
2000	71.92
2001	71.964
2002	72.008
2003	72.053
2004	72.09700000000001
2005	72.125
2006	72.137
2007	72.133
2008	72.114
2009	72.07900000000001
2010	72.027
2011	71.96000000000001
2012	71.877
2013	71.777
2014	71.662
2015	71.53
2016	71.381
2017	71.21600000000001
2018	71.035
2019	70.836
2020	70.62
2021	70.387
2022	70.136
2023	69.868