Year	% of total population
1960	10.368348940523044
1961	10.69415225629636
1962	10.855194897570676
1963	10.906955350395156
1964	10.98251558554705
1965	11.070464241739291
1966	11.1125346822441
1967	11.145093079968897
1968	11.180684863077841
1969	11.212082303979072
1970	11.243553787474278
1971	11.279885660038014
1972	11.355316649983706
1973	11.447602188341827
1974	11.55393273894569
1975	11.684090606451363
1976	11.821667007374183
1977	11.985815595146331
1978	12.171892796769288
1979	12.366872762512209
1980	12.556105440714617
1981	12.699856554045212
1982	12.8234194829103
1983	12.986921564218365
1984	13.16829082335867
1985	13.354717830218615
1986	13.54086030240613
1987	13.727399280738487
1988	13.925104559634601
1989	14.13529238133196
1990	14.3685478109283
1991	14.697981845433596
1992	15.049560634064088
1993	15.430905326367375
1994	15.846656294752137
1995	16.299504109395176
1996	16.799940929699254
1997	17.34381397146049
1998	17.941762411992617
1999	18.603447057321716
2000	19.342242094038607
2001	19.84584986627164
2002	20.25357841284551
2003	20.67561068709521
2004	21.116557945205486
2005	21.570320917755115
2006	22.041057010573933
2007	22.52958854251784
2008	23.034813180217
2009	23.55966172386481
2010	24.115825063874375
2011	24.58304537111585
2012	24.993886290510503
2013	25.413504171274266
2014	25.851149304117445
2015	26.3134513624175
2016	26.786960653731107
2017	27.255872287246106
2018	27.763946567793344
2019	28.248973244520382
2020	28.767732209644254
2021	29.31983507201025
2022	29.893420706289834
2023	30.451445735288825