Annual % of total population
1960 27.438425782382
1961 27.3989793455382
1962 27.4229730714762
1963 27.3915983417331
1964 27.4143244678932
1965 27.5310787493572
1966 27.6544899397431
1967 27.7479169970303
1968 27.7947356895547
1969 27.850995827065
1970 27.8749452876053
1971 27.8521775392017
1972 27.7758320149637
1973 27.651836752992
1974 27.5068846082399
1975 27.3370013353586
1976 27.1837920318025
1977 27.0148668907215
1978 26.7587954931126
1979 26.3913801633278
1980 25.9622271787015
1981 25.4811569857962
1982 24.9498810612322
1983 24.4216101961343
1984 23.8783962676891
1985 23.305574559315
1986 22.6937697533279
1987 22.03735243474
1988 21.3548562902906
1989 20.6420749561141
1990 19.8839137854058
1991 19.1340973549726
1992 18.4469358461959
1993 17.7958914850633
1994 17.1640361929627
1995 16.5774250548913
1996 16.0532331945023
1997 15.5982386233745
1998 15.21612718524
1999 14.9108243473127
2000 14.6869070832831
2001 14.542694260092
2002 14.4729083647569
2003 14.464341401744
2004 14.4613763989692
2005 14.4690005400892
2006 14.5260294194217
2007 14.5956633040401
2008 14.7035045362781
2009 14.8474009059568
2010 14.9735760309309
2011 15.0766482201479
2012 15.1496388763887
2013 15.1885925463172
2014 15.1900219588908
2015 15.1562020326701
2016 15.0953337415246
2017 15.0091846115234
2018 14.8623367438776
2019 14.6477912843276
2020 14.3956333577662
2021 14.10691172214
2022 13.7978723714063
2023 13.46492562468