Year	% of total population
1960	11.3098335969936
1961	11.3641962454994
1962	11.313274799356
1963	11.224185923319
1964	11.1921995773649
1965	11.3228119047778
1966	11.4255528463778
1967	11.3880153485627
1968	11.334033189603
1969	11.2660208039707
1970	11.2357123709103
1971	11.2228004540989
1972	11.1306477310204
1973	10.9925710865939
1974	10.8841568844202
1975	10.8630064825908
1976	10.9004482097579
1977	10.9197991864899
1978	10.893685236227
1979	10.8704530985131
1980	10.8695056034596
1981	10.8647223838281
1982	10.8357875436224
1983	10.7941828493338
1984	10.8393291073355
1985	10.9402673136764
1986	11.0330905678136
1987	11.1571420439992
1988	11.3195284202823
1989	11.4484063956901
1990	11.5047751683499
1991	11.5062052676547
1992	11.4959838361486
1993	11.4833319231745
1994	11.4737536338664
1995	11.4561967346113
1996	11.4044225125931
1997	11.3521146106616
1998	11.3042305813492
1999	11.2297026421193
2000	11.1681222663975
2001	11.1381952239451
2002	11.1014102174805
2003	11.0671924278268
2004	11.0514143946813
2005	10.9687421101857
2006	10.791520226485
2007	10.6788354785985
2008	10.7582047180252
2009	11.0042851975952
2010	11.3464549787439
2011	11.7376033144233
2012	12.1458632285767
2013	12.555700448393
2014	12.86913553003
2015	13.11594466925
2016	13.3841590614505
2017	13.6554799932563
2018	13.9423316586365
2019	14.242765397765
2020	14.5443326373668
2021	14.8290613545382
2022	15.136185093354
2023	15.4845489891158