Annual % of total population
1960 19.688556067588326
1961 19.81912193541419
1962 19.96295508337101
1963 20.117135295196668
1964 20.2858693124564
1965 20.473888208894326
1966 20.70012857034815
1967 20.962928753307704
1968 21.245404843777056
1969 21.524177143837463
1970 21.77829558969878
1971 21.992049003122748
1972 22.215133284189
1973 22.468497348261636
1974 22.728169178642364
1975 23.02082946743366
1976 23.321849668386147
1977 23.634820795498733
1978 23.9761011437797
1979 24.23211141709178
1980 24.40179510710209
1981 24.577178377178377
1982 24.74784274016025
1983 24.911649828711077
1984 25.0833585738393
1985 25.24941559973407
1986 25.41417791476246
1987 25.596036681775058
1988 25.73734527313336
1989 25.752690858368204
1990 25.48590170762182
1991 25.038276225728406
1992 24.580691494818918
1993 24.133615686913316
1994 24.24755111375421
1995 24.90848530676584
1996 25.55427244790891
1997 26.107165821477352
1998 26.47674490121258
1999 26.739900394304616
2000 26.974801643606742
2001 27.105752255707184
2002 27.18504266038962
2003 27.362581913366686
2004 27.5258062709111
2005 27.6944416470701
2006 27.845525155353375
2007 27.984294943367605
2008 28.062577937241727
2009 28.306014625032017
2010 28.50625677536744
2011 28.72881538669182
2012 28.934123276892702
2013 29.014236881830225
2014 28.993518871521157
2015 28.940808681021217
2016 28.916419964560745
2017 28.90546791258808
2018 28.909669509243002
2019 28.959660616838896
2020 28.95286667046318
2021 29.090306071547023
2022 29.100294087383656
2023 28.780317868079297