Annual % of total population
1960 26.8890653958168
1961 27.3799618227204
1962 27.9066600081718
1963 28.4006925968157
1964 28.7943262411348
1965 29.021198156682
1966 29.3688986663
1967 29.9564927434977
1968 30.3814514476419
1969 30.4352539433032
1970 30.1880617305707
1971 29.7774546818939
1972 29.2506131744919
1973 28.6264783651383
1974 27.9646187866551
1975 27.2888438647588
1976 26.6356017546555
1977 26.0040712139326
1978 25.3549664604663
1979 24.6338820221428
1980 23.7328353598607
1981 22.6508955728287
1982 22.0153893984144
1983 21.7624653739612
1984 21.2811607259279
1985 20.5434894258095
1986 19.9190869322106
1987 19.4846226514118
1988 18.9680693592726
1989 18.3990627148349
1990 17.7881070385201
1991 17.2401663224165
1992 16.7980308465789
1993 16.4100006761782
1994 16.0779527172043
1995 15.7935719677407
1996 15.5992049573249
1997 15.4965832843759
1998 15.4267436776584
1999 15.3613586170132
2000 15.2774310677408
2001 15.244028310233
2002 15.264966795345
2003 15.2494672394547
2004 15.1767435512488
2005 15.0052301582828
2006 15.0933988195037
2007 15.4614710529177
2008 15.786601801328
2009 16.0923197746845
2010 16.3186263886073
2011 16.435327877564
2012 16.4126034148917
2013 16.2513223991649
2014 15.9400459359271
2015 15.5034113637789
2016 15.1729034125764
2017 14.6953065218422
2018 14.095462816693
2019 13.6718494164494
2020 13.3346203346203
2021 13.0747526381051
2022 12.7950240529164
2023 12.4200879033064