Year	% of total population
1960	7.6294397685733815
1961	7.707028468532033
1962	7.79080174975004
1963	7.876721264925286
1964	7.965644919356805
1965	8.06119226981743
1966	8.166178455764264
1967	8.275561324297863
1968	8.384596467775234
1969	8.492511488825343
1970	8.602824049732577
1971	8.716051692271037
1972	8.834283863656221
1973	8.95265443262352
1974	9.074011671920273
1975	9.200472131139465
1976	9.33360418062773
1977	9.469526616597413
1978	9.609293116629267
1979	9.75196692687049
1980	9.89548438099289
1981	10.023711527551296
1982	10.123438163824595
1983	10.226131184126556
1984	10.331703036793172
1985	10.440745080343552
1986	10.554657753722813
1987	10.674307927895873
1988	10.800628435345342
1989	10.931052547853358
1990	11.06868727243616
1991	11.198626268603363
1992	11.303565710482319
1993	11.413305334855057
1994	11.529472235462585
1995	11.652009425581998
1996	11.782960548728798
1997	11.920099925052021
1998	12.065103815322578
1999	12.218517962710264
2000	12.379802010350417
2001	12.515151439574451
2002	12.596827506115037
2003	12.687753734652112
2004	12.788442689672394
2005	12.900039754686452
2006	13.025614915914513
2007	13.162247299291947
2008	13.308885697293793
2009	13.462721181037407
2010	13.623015439730542
2011	13.789829977507114
2012	13.965248760851633
2013	14.150314226996313
2014	14.348607757498321
2015	14.559968089901862
2016	14.77755018962058
2017	15.005570317577737
2018	15.25033388049393
2019	15.485327815631422
2020	15.732756536647734
2021	16.00542641674366
2022	16.29690989077169
2023	16.56729875319515