Annual % of total population
1960 29.9684076116343
1961 29.6572877654361
1962 29.1141769265489
1963 28.7174148378951
1964 28.4498155568955
1965 28.2420078574974
1966 28.0432866516502
1967 27.8272416553212
1968 27.614684597346
1969 27.4493130499491
1970 27.2934312387401
1971 27.0802304623017
1972 26.7912242081152
1973 26.4027320027807
1974 25.9107017335308
1975 25.3674545575833
1976 24.7873082433011
1977 24.1727304453939
1978 23.5499958134424
1979 22.9130224657453
1980 22.3019794150012
1981 21.7409148476527
1982 21.1831490479843
1983 20.6148042681495
1984 20.0234802452789
1985 19.4525012359029
1986 18.9839315394955
1987 18.6287354514909
1988 18.3952371709092
1989 18.2727770117961
1990 18.2448308239232
1991 18.2798500975371
1992 18.3290392480604
1993 18.375635676043
1994 18.4144725177471
1995 18.4232185729887
1996 18.4102432288693
1997 18.4254158934427
1998 18.4788999042111
1999 18.5375241268981
2000 18.5809102193295
2001 18.5894391537888
2002 18.5584852949708
2003 18.5118175517851
2004 18.4353294360216
2005 18.301847436491
2006 18.1286754601356
2007 17.9500717838027
2008 17.7869534657249
2009 17.6408314905337
2010 17.5098424112919
2011 17.3835845127903
2012 17.23349402355
2013 17.0424616738893
2014 16.8277360477398
2015 16.5960105585861
2016 16.364505134601
2017 16.1523712344102
2018 15.9420034979088
2019 15.7489795335974
2020 15.6002582801428
2021 15.5026637276371
2022 15.4249279236512
2023 15.3400624924138