Year	% of total population
1960	8.20878746977833
1961	8.23951165744491
1962	8.27820349203771
1963	8.32603076742422
1964	8.38533073742184
1965	8.45641384749519
1966	8.54048690640423
1967	8.63944796322781
1968	8.74941956864193
1969	8.86401627710884
1970	8.98162163479484
1971	9.09637402216332
1972	9.20095856685004
1973	9.30346262045374
1974	9.41800122897888
1975	9.54634774707676
1976	9.69195398005046
1977	9.86356982216162
1978	10.050359888039
1979	10.2254406985479
1980	10.3792805755396
1981	10.5087833218029
1982	10.6051240566833
1983	10.6790180889862
1984	10.7578812301484
1985	10.8536340392184
1986	10.9642066220462
1987	11.0931228621019
1988	11.2351533639974
1989	11.3830436440821
1990	11.5388212270564
1991	11.7019054186199
1992	11.8693344900581
1993	12.0387105215658
1994	12.2025458119184
1995	12.3591310039585
1996	12.5111668244937
1997	12.6597462180311
1998	12.8073275889812
1999	12.9539278119332
2000	13.1029642723332
2001	13.2572277161135
2002	13.4114142668809
2003	13.5600616578593
2004	13.6980917079813
2005	13.8299526926317
2006	13.954248916859
2007	14.0624255986022
2008	14.1588198645405
2009	14.2492754524609
2010	14.3371469323828
2011	14.4249342768219
2012	14.5165756611465
2013	14.6018528144238
2014	14.6712754206161
2015	14.7386834586339
2016	14.8170085471588
2017	14.9128755021805
2018	15.0302797572951
2019	15.1667457363963
2020	15.338152012205
2021	15.4585197064029
2022	15.5794966888888
2023	15.7846880985514