Year	% of total population
1960	9.23044003803254
1961	9.31051392352249
1962	9.37583988822117
1963	9.45139206932627
1964	9.51857754672703
1965	9.55391056674544
1966	9.57878074695705
1967	9.6532137757499
1968	9.71448734849603
1969	9.73887437978727
1970	9.80325150200915
1971	9.87925941795559
1972	9.97579156609053
1973	10.1118024809082
1974	10.2681888370873
1975	10.4457278525173
1976	10.6549543564074
1977	10.8647588127402
1978	11.0385888703281
1979	11.1749856659696
1980	11.2785903333574
1981	11.3814508448704
1982	11.4800562085099
1983	11.5495130681994
1984	11.6626184249338
1985	11.8114624544489
1986	11.9188690151469
1987	11.9994637469215
1988	12.1507924868231
1989	12.2749399730384
1990	12.2844761945132
1991	12.326906981295
1992	12.3968455125612
1993	12.4273483783189
1994	12.4839785383117
1995	12.5436335240969
1996	12.5503676380277
1997	12.5140026895127
1998	12.4614727352375
1999	12.3961707337774
2000	12.3176296433869
2001	12.2969453233527
2002	12.2874577893554
2003	12.2779342993686
2004	12.3047192322804
2005	12.3601628768533
2006	12.422071948027
2007	12.507803700301
2008	12.6708585039901
2009	12.8562585688817
2010	13.0281784974361
2011	13.2702031218742
2012	13.5844369333927
2013	13.8910756761845
2014	14.1355633751345
2015	14.3277540980291
2016	14.672311496844
2017	15.0662903997382
2018	15.3976975750778
2019	15.7918008297391
2020	16.2234001500798
2021	16.6788954868121
2022	17.1281205454528
2023	17.5879195320161