Year	% of total population
1960	7.212747710510194
1961	7.302164917700077
1962	7.399430132017538
1963	7.499081601427834
1964	7.602021886206759
1965	7.710820579706564
1966	7.828136967531692
1967	7.949615375547516
1968	8.072238637764142
1969	8.19628372775012
1970	8.326884986079808
1971	8.473155380435646
1972	8.626267347637052
1973	8.768449965151856
1974	8.91173546482285
1975	9.055597643156597
1976	9.207521359301582
1977	9.362364306585311
1978	9.521113651980565
1979	9.684331591895921
1980	9.846352422649156
1981	9.994591140724284
1982	10.105447416115032
1983	10.213361631559962
1984	10.325307509657636
1985	10.441432927090098
1986	10.565063048098413
1987	10.695855935059768
1988	10.832311680968052
1989	10.972175712187205
1990	11.122193535456937
1991	11.265052128403857
1992	11.373862424418872
1993	11.481272871317929
1994	11.595806887262196
1995	11.720939878555955
1996	11.85650496492394
1997	11.998498627456541
1998	12.144647900405365
1999	12.292652852621131
2000	12.449309932957169
2001	12.582302950173508
2002	12.666491099708153
2003	12.761834237292446
2004	12.870885588678089
2005	12.99058000762376
2006	13.125408373562305
2007	13.276000851381156
2008	13.43633065266986
2009	13.59857724380234
2010	13.764505081617441
2011	13.935713504014181
2012	14.118483808417947
2013	14.315013871163865
2014	14.524408971189951
2015	14.748453022009308
2016	14.980389388537754
2017	15.217462862573356
2018	15.465815863710192
2019	15.699187506789109
2020	15.937076587759659
2021	16.19137435079744
2022	16.461334287504673
2023	16.71414747254685