Year	% of total population
1960	7.31479335005653
1961	7.4435700679711
1962	7.54392307329283
1963	7.67479455924313
1964	7.86495948063469
1965	8.04960627842606
1966	8.23152715649234
1967	8.42022896144707
1968	8.60008621835284
1969	8.8495213538111
1970	9.15837226461652
1971	9.42998735588923
1972	9.70200207723083
1973	9.99727720759154
1974	10.3016026176742
1975	10.6161310260629
1976	10.9267809370317
1977	11.2397107373619
1978	11.524503408804
1979	11.7723067203896
1980	11.9767197596025
1981	12.1133290089066
1982	12.2339342276482
1983	12.3506996780919
1984	12.3948545065061
1985	12.4843462340696
1986	12.679547128532
1987	12.862526310646
1988	13.0437577699175
1989	13.2235043205479
1990	13.3861120274659
1991	13.5427657047852
1992	13.6881185516968
1993	13.8335927114902
1994	14.0146487464847
1995	14.2184730722328
1996	14.4003324280153
1997	14.5522153214749
1998	14.6646836948822
1999	14.772254951175
2000	14.9188527742987
2001	15.0795416925879
2002	15.2484364530946
2003	15.4594897476285
2004	15.7242507422811
2005	15.9372223517371
2006	16.2349664149094
2007	16.4879141125523
2008	16.6307869206069
2009	16.8810400809918
2010	17.2602673573396
2011	17.8222051807609
2012	18.4500573851348
2013	19.0725502523823
2014	19.6645133576963
2015	20.2072977615864
2016	20.6821238607597
2017	21.1439361693726
2018	21.6132885356274
2019	22.0597925957747
2020	22.4900930794789
2021	22.8915070686518
2022	23.2747109572169
2023	23.6176723921461