Year	% of total population
1960	8.540461436701797
1961	8.598110150732685
1962	8.652333209192749
1963	8.705953165549477
1964	8.760416495563524
1965	8.81470976174416
1966	8.873312094930855
1967	8.93708859748434
1968	9.006344388293945
1969	9.079745494247186
1970	9.164807577885036
1971	9.283235379529073
1972	9.40876161747473
1973	9.539290192230816
1974	9.682067557219987
1975	9.838776423592071
1976	10.013101531039684
1977	10.198079526182106
1978	10.392356514292386
1979	10.59806156336903
1980	10.765343019802481
1981	10.80855702059516
1982	10.863977070184404
1983	10.928202703214971
1984	11.002158401912261
1985	11.085784467774841
1986	11.181332679266
1987	11.288602236380175
1988	11.407548992982996
1989	11.540345958298657
1990	11.66534759917948
1991	11.677081575864754
1992	11.709214524591397
1993	11.755558294866724
1994	11.818426579350524
1995	11.902121594483546
1996	12.010449037499667
1997	12.140034905904837
1998	12.29683588285065
1999	12.4902512547073
2000	12.740215292712056
2001	13.057662375923593
2002	13.39102695656263
2003	13.74217553538638
2004	14.113164049161211
2005	14.503869260677687
2006	14.914842951604374
2007	15.341705808425171
2008	15.789613924106941
2009	16.2598626524387
2010	16.759343850605788
2011	17.09777237286897
2012	17.40563066168999
2013	17.724429128369092
2014	18.060554158053588
2015	18.41650195818594
2016	18.785524168079736
2017	19.16822375834016
2018	19.576083624796954
2019	19.87264836789229
2020	20.163471304023144
2021	20.456219787563885
2022	20.74699468025384
2023	21.025284243195724