Year	% of total population
1960	5.059992892958125
1961	5.0857979530987265
1962	5.122825925774468
1963	5.173518119194468
1964	5.224794592593529
1965	5.267626036560447
1966	5.306744139603504
1967	5.34758346883016
1968	5.394526013886467
1969	5.440227646407879
1970	5.487767026315566
1971	5.54421176499621
1972	5.604850248837381
1973	5.649844652978605
1974	5.682427694721964
1975	5.712367434583113
1976	5.73109841286162
1977	5.747598412291323
1978	5.7622663194158905
1979	5.7766486214319075
1980	5.775386853755308
1981	5.750121186386923
1982	5.7167914375467515
1983	5.685540301711056
1984	5.655758360311948
1985	5.62562229996377
1986	5.612029890648613
1987	5.608782555607622
1988	5.605215023416557
1989	5.6113790623400694
1990	5.621567967589775
1991	5.64420565533968
1992	5.6956889909576605
1993	5.753448094943218
1994	5.808679193002407
1995	5.868622286902958
1996	5.921472725547373
1997	5.9728096199480945
1998	6.021795347726965
1999	6.0814835811949415
2000	6.158253961076495
2001	6.239680124647616
2002	6.324079371142333
2003	6.4091296762905925
2004	6.488334128965489
2005	6.558132044150733
2006	6.6217159141537545
2007	6.6811239075704725
2008	6.73893204845328
2009	6.805605671057046
2010	6.885063618069104
2011	6.980287217476959
2012	7.087213714354973
2013	7.207601210033857
2014	7.34738300248839
2015	7.485938812476433
2016	7.611501612399515
2017	7.736276314078073
2018	7.8680591260008415
2019	8.026412553515938
2020	8.201109331038733
2021	8.354080069005072
2022	8.527260736939603
2023	8.746545830151238