Year	% of total population
1960	5.72966617403091
1961	5.7311870419484
1962	5.74974227509889
1963	5.78268573353084
1964	5.81832288445747
1965	5.8447175624002
1966	5.86698990415917
1967	5.8863535128736
1968	5.89148078425801
1969	5.86831408633148
1970	5.81189758596049
1971	5.7214764286846
1972	5.5938424793937
1973	5.43841101354844
1974	5.27975347972426
1975	5.12678627045998
1976	4.98166787431704
1977	4.84513727650802
1978	4.71080380147858
1979	4.569549776215
1980	4.41896455409107
1981	4.26148846797695
1982	4.09839359319488
1983	3.94083318187655
1984	3.80428062633351
1985	3.70052340942994
1986	3.62617569992427
1987	3.5778262708777
1988	3.56134440216106
1989	3.58528087138862
1990	3.64523481700451
1991	3.73572251154113
1992	3.85733359681136
1993	3.99328884586097
1994	4.1171926146255
1995	4.22299496979648
1996	4.31310701312192
1997	4.38508734418955
1998	4.44832216978555
1999	4.51853511410207
2000	4.59578341577115
2001	4.67586626970228
2002	4.75938698143336
2003	4.83760381417302
2004	4.88913393969431
2005	4.89981663258061
2006	4.87733066427193
2007	4.82972371343486
2008	4.76089920259671
2009	4.67405348269136
2010	4.57785212929219
2011	4.4863543205733
2012	4.40621378446588
2013	4.34260483166933
2014	4.30426870308837
2015	4.33340142831444
2016	4.41935621657246
2017	4.51943239152008
2018	4.63226545702785
2019	4.75465012711304
2020	4.8675298116888
2021	4.98181723435527
2022	5.13652203249989
2023	5.32316575926702