Year	% of total population
1960	8.122740192183729
1961	8.440785667772174
1962	8.528797332412093
1963	8.474297815589118
1964	8.449381618231415
1965	8.445994113411215
1966	8.360824585259722
1967	8.249529123318535
1968	8.134052755936011
1969	8.006929681856725
1970	7.879811319601865
1971	7.789648854780319
1972	7.754386506270085
1973	7.734556205637571
1974	7.734079191425557
1975	7.759142182137616
1976	7.800977344643998
1977	7.8750478825169195
1978	7.969584329064544
1979	8.081010830697467
1980	8.20299948534245
1981	8.336984459972733
1982	8.462037912812429
1983	8.6582333799142
1984	8.876016782002749
1985	9.099801244481656
1986	9.324563316116574
1987	9.549763061155774
1988	9.787155215453465
1989	10.045798328342197
1990	10.328879169474579
1991	10.773824536401397
1992	11.265759032421434
1993	11.799787430840771
1994	12.376495068528781
1995	13.002727797120816
1996	13.684632663956306
1997	14.423162896571348
1998	15.234889104502248
1999	16.132656068522074
2000	17.12694732090176
2001	17.79221912961434
2002	18.296646204311156
2003	18.828016764979818
2004	19.3852683679571
2005	19.962281241370846
2006	20.567771506155513
2007	21.201941747572818
2008	21.863383975450212
2009	22.551258807445578
2010	23.270101330263397
2011	23.857034352265927
2012	24.35635501665202
2013	24.870916419705992
2014	25.40534289213185
2015	25.96263215108779
2016	26.525462281757328
2017	27.079598342662127
2018	27.688160412329978
2019	28.34150474695346
2020	29.034998086599106
2021	29.76998435243139
2022	30.523009825269533
2023	31.280356203613785