Year	% of total population
1960	2.79743631804654
1961	2.80814193678052
1962	2.83365215028267
1963	2.83942326281836
1964	2.82836430070746
1965	2.79840091376356
1966	2.75761007127156
1967	2.71278947189445
1968	2.66404375857842
1969	2.61849428766722
1970	2.57607289498847
1971	2.55759363360028
1972	2.58503259524902
1973	2.63677803903679
1974	2.6847942662178
1975	2.7227800291883
1976	2.75106246989795
1977	2.76853532051865
1978	2.77790391426755
1979	2.77822050991751
1980	2.7684579383303
1981	2.74911964801377
1982	2.72068663880436
1983	2.69680951027115
1984	2.6893265387876
1985	2.68706709676548
1986	2.6769299720863
1987	2.65300026923336
1988	2.62158719565049
1989	2.59455008559198
1990	2.56884061429212
1991	2.5424294078411
1992	2.52473275646098
1993	2.52429639672231
1994	2.54542527373341
1995	2.58661905669398
1996	2.63817946674679
1997	2.6925594240378
1998	2.74853390181242
1999	2.80558150343455
2000	2.86425306167675
2001	2.92488448225011
2002	2.98765623965717
2003	3.05413585015443
2004	3.1275271492993
2005	3.20860062582233
2006	3.28775133580824
2007	3.35526081291411
2008	3.4027792224002
2009	3.42803559213038
2010	3.44108419969575
2011	3.49347207762773
2012	3.60004328216529
2013	3.73558576885008
2014	3.89997983948389
2015	4.090651853838
2016	4.31015460311648
2017	4.55799933298704
2018	4.83392416547598
2019	5.13858625243552
2020	5.46652328937687
2021	5.81063513055349
2022	6.17102615470104
2023	6.55402426614308