Annual % of total population
1960 9.656492130750605
1961 9.955987978963185
1962 10.209796893667862
1963 10.47823826500297
1964 10.75929046563193
1965 11.053694436267294
1966 11.326955123519953
1967 11.621017441860465
1968 11.930527838033262
1969 12.256342692584592
1970 12.59724612736661
1971 12.88213318123485
1972 13.055947823621153
1973 13.235566210689607
1974 13.420272166105498
1975 13.611712969426218
1976 13.775963404491268
1977 13.955607605400939
1978 14.148170481019598
1979 14.351636661211128
1980 14.568622656886715
1981 14.706725185685348
1982 14.697284946236557
1983 14.701941617568293
1984 14.720643610628922
1985 14.751106076759063
1986 14.748420912951168
1987 14.765506747816884
1988 14.798454833597463
1989 14.841129138636063
1990 14.89189296071711
1991 14.960564197652443
1992 15.02881608448603
1993 15.093475295893514
1994 15.193753709772363
1995 15.585093261863017
1996 15.77652270460451
1997 15.998694662187235
1998 16.240372792687914
1999 16.482850182636174
2000 16.722114708396873
2001 16.939312978472653
2002 17.11993908641901
2003 17.243396945508717
2004 17.371428739875093
2005 17.51191308317729
2006 17.670050700465715
2007 17.831794525263497
2008 17.998803301451304
2009 18.16261513245739
2010 18.328241515114442
2011 18.56717747434753
2012 18.748889614599204
2013 18.93126759808446
2014 19.112270874050004
2015 19.29988839221223
2016 19.494987618870322
2017 19.693732589378676
2018 19.897319109031532
2019 20.06724034535908
2020 20.262552097178684
2021 20.510961871002348
2022 21.084893889952493
2023 21.27740205311977