Year	% of total population
1960	3.722545334292493
1961	3.663656425246408
1962	3.629156461590946
1963	3.5879001441044625
1964	3.545781655320189
1965	3.524109194705059
1966	3.5265509964114354
1967	3.5486568737980293
1968	3.577718685925897
1969	3.606277240039256
1970	3.635461758579721
1971	3.6676149577236945
1972	3.701053974986465
1973	3.7418397408534183
1974	3.7974071310089346
1975	3.858057932064752
1976	3.9167258595198824
1977	3.980253223327859
1978	4.059302205843611
1979	4.150319357288599
1980	4.235439175383807
1981	4.308908410502725
1982	4.374423492687744
1983	4.436225497167951
1984	4.5015040736450525
1985	4.574555846027133
1986	4.648849306751255
1987	4.717647200967992
1988	4.79124643901131
1989	4.880070215556418
1990	4.972178739209722
1991	5.059425364943036
1992	5.159394683355304
1993	5.282028504434982
1994	5.4123850514488705
1995	5.549765424277483
1996	5.690348642073185
1997	5.83486155076356
1998	6.002133456949737
1999	6.1781221134727655
2000	6.348079574660489
2001	6.51729040009778
2002	6.682967194510306
2003	6.840437426732515
2004	6.982732526073508
2005	7.120321842036985
2006	7.263578868907791
2007	7.397138236306562
2008	7.516685949870657
2009	7.637770751270217
2010	7.773453300176167
2011	7.933410037856655
2012	8.118080496896287
2013	8.331260950832721
2014	8.579721573942868
2015	8.883770047628271
2016	9.220649402750325
2017	9.597156801685918
2018	10.010400381408179
2019	10.43595759394624
2020	10.885006707138821
2021	11.306562338457955
2022	11.746433850589717
2023	12.186680469917455