Year	% of total population
1960	69.91840106132591
1961	70.31954523965695
1962	70.73978371197464
1963	71.15636541391582
1964	71.56938765396102
1965	71.97871763963275
1966	72.3826157048634
1967	72.76219843413512
1968	73.13854969007191
1969	73.51122390160843
1970	73.80165790019917
1971	73.85612634616506
1972	73.85386054694644
1973	73.85182834040813
1974	73.8501285159013
1975	73.84830486702359
1976	73.84743795032043
1977	73.86058100889203
1978	73.87244748712968
1979	73.88512697215643
1980	73.93112670001908
1981	74.07345153573668
1982	74.22676191283189
1983	74.37972644652382
1984	74.53080075060363
1985	74.68169240559126
1986	74.83157433894226
1987	74.96854137897334
1988	75.10536466679339
1989	75.24090145714194
1990	75.43326938555303
1991	75.7977724060751
1992	76.18057398867472
1993	76.55878080076262
1994	76.93319284067778
1995	77.30302613534201
1996	77.67168443959655
1997	78.04520539484308
1998	78.41549319127908
1999	78.78166901062028
2000	79.10242412204796
2001	79.2946417662362
2002	79.46014124804829
2003	79.62477451350045
2004	79.78929190857752
2005	79.95100869047255
2006	80.1140965326175
2007	80.28532985909082
2008	80.45557965983333
2009	80.62475280330794
2010	80.79198606492861
2011	80.96264199584732
2012	81.12430119348778
2013	81.29037481464296
2014	81.45987425344964
2015	81.63309202439193
2016	81.80876814316603
2017	81.98964009018125
2018	82.1730486304713
2019	82.36164753118898
2020	82.55361644609711
2021	82.7499806194505
2022	82.94756543537004
2023	83.14731062059944