Year	% of total population
1960	21.0569934904059
1961	21.5643868259872
1962	21.9780520815876
1963	22.3286993088922
1964	22.6162884042996
1965	22.833242253237
1966	23.0248639446324
1967	23.1880465372117
1968	23.3043461820619
1969	23.3514999339433
1970	23.3084177739346
1971	23.1768863675055
1972	22.9329190048324
1973	22.5647575835225
1974	22.0933237498318
1975	21.5504926180763
1976	20.9559188341781
1977	20.323862158621
1978	19.6684108317103
1979	19.0037506805269
1980	18.3770181132372
1981	17.7959649203848
1982	17.2518094539613
1983	16.7580205129525
1984	16.3312805109477
1985	16.0101021901315
1986	15.8059335678412
1987	15.7362646712125
1988	15.8131697060292
1989	15.9679400380438
1990	16.143053873774
1991	16.279944782077
1992	16.3419064864136
1993	16.3574375730141
1994	16.3233407094171
1995	16.2244689061907
1996	16.0975691956045
1997	15.9788196846933
1998	15.8625512075326
1999	15.7414771380961
2000	15.6078090215116
2001	15.4337785643802
2002	15.2081874895084
2003	14.9479740812699
2004	14.6763520145583
2005	14.4018960311465
2006	14.1572149824946
2007	13.9729437871252
2008	13.8245310289231
2009	13.698409740069
2010	13.5973160312519
2011	13.4916768007341
2012	13.3676766273698
2013	13.2662524854512
2014	13.2112359296631
2015	13.2046685967967
2016	13.269174354421
2017	13.3914600067046
2018	13.5216433325741
2019	13.6389892348886
2020	13.7515489432774
2021	13.8732844243212
2022	13.9581766994571
2023	13.9887393104232