Annual % of total population
1960 42.3540895063849
1961 41.6468231108346
1962 40.9180553168154
1963 40.2916928459052
1964 39.7846799889318
1965 39.367227320056
1966 38.9962198172611
1967 38.6278364086575
1968 38.2292736017686
1969 37.768221598893
1970 37.1574782972865
1971 36.4464392394298
1972 35.7785205519543
1973 35.1908675310193
1974 34.6807290148349
1975 34.2239667943638
1976 33.8097790532291
1977 33.3925353631793
1978 32.926227760867
1979 32.4483261996685
1980 31.9469415403472
1981 31.4302741724435
1982 30.9711757184259
1983 30.5603988524219
1984 30.1626059266312
1985 29.7357761944926
1986 29.2497936306207
1987 28.7453468860858
1988 28.2640372858765
1989 27.7949492783392
1990 27.3546250319751
1991 26.9535311312902
1992 26.5535154592403
1993 26.1695350117709
1994 25.7956576735323
1995 25.4349691689205
1996 25.1192030457472
1997 24.831986440815
1998 24.5615302708138
1999 24.298403630652
2000 24.0171398328529
2001 23.7030258099214
2002 23.358011117076
2003 22.9724213942885
2004 22.5333419613171
2005 22.0451844262564
2006 21.5321982329696
2007 21.0178151420762
2008 20.5125612106282
2009 20.0385430146703
2010 19.5544446602161
2011 19.0340322688125
2012 18.501167855116
2013 17.9292329941372
2014 17.3089658022076
2015 16.6542953420247
2016 15.9862943324728
2017 15.3173352724922
2018 14.7241907781503
2019 14.2774128412868
2020 13.9401347581562
2021 13.6501764803891
2022 13.4366639845505
2023 13.3120766895459