Year	% of total population
1960	5.50224574877285
1961	5.61344127891552
1962	5.76951739350762
1963	5.96607108411005
1964	6.19463421637096
1965	6.44296120844701
1966	6.71903695690458
1967	7.01895183875471
1968	7.3172866703209
1969	7.59744632035712
1970	7.84454653537534
1971	8.0654179191622
1972	8.25953552563481
1973	8.42964734255087
1974	8.6052121000118
1975	8.79333685431047
1976	8.98898572432301
1977	9.19159026367543
1978	9.39787019588939
1979	9.60473023849342
1980	9.84582440269033
1981	10.1105882399135
1982	10.3519765922657
1983	10.5684305733428
1984	10.74924643917
1985	10.8814668625999
1986	10.9765065603592
1987	11.0439042118042
1988	11.0916809494457
1989	11.1304341105044
1990	11.1355980654233
1991	11.103422487105
1992	11.0651871066916
1993	11.0448264433678
1994	11.0570227139426
1995	11.0820099617428
1996	11.0904569557466
1997	11.1070588034169
1998	11.1378519694358
1999	11.1657477490778
2000	11.2039356601186
2001	11.2419524713002
2002	11.2934641871986
2003	11.3228460667143
2004	11.3178525539562
2005	11.32508525774
2006	11.3319564907895
2007	11.3599858534357
2008	11.4513700526894
2009	11.6123035229363
2010	11.7718256640615
2011	11.9207293279344
2012	12.1320793997049
2013	12.3953912556661
2014	12.6997798142656
2015	13.0345975841745
2016	13.3684312522205
2017	13.7359547543403
2018	14.1546756480871
2019	14.6240178171494
2020	15.1562383101823
2021	15.7155329223558
2022	16.2763861025796
2023	16.814275405104