Annual % of total population
1960 29.988812821458517
1961 30.060100090387795
1962 29.961609868733085
1963 29.806157182490047
1964 29.693440837071567
1965 29.62638907772107
1966 29.496470014353545
1967 29.335429696862366
1968 29.200854324898447
1969 29.033270147698747
1970 28.838438307581832
1971 28.61190145929795
1972 28.363922772336235
1973 28.086369161551104
1974 27.789008194939804
1975 27.46439900946507
1976 27.116251460461818
1977 26.765801105570137
1978 26.40609653712968
1979 26.04062421969395
1980 25.696558619870178
1981 25.39705272179161
1982 25.11586168719361
1983 24.81328427722558
1984 24.50671300984443
1985 24.20258601865375
1986 23.892988677376895
1987 23.603074499242517
1988 23.348391984347497
1989 23.113623566744593
1990 22.903300799858552
1991 22.706795567302308
1992 22.524837357671164
1993 22.35602257792469
1994 22.168893979025352
1995 21.95987605568995
1996 21.7486741539766
1997 21.548635121942752
1998 21.357874811604454
1999 21.172392697084156
2000 20.981845563681134
2001 20.781157778477233
2002 20.575108790313514
2003 20.36221007288382
2004 20.14019303277033
2005 19.913308842760344
2006 19.695253385339548
2007 19.496603027354418
2008 19.327116671083687
2009 19.174322883416327
2010 19.027099313418567
2011 18.8902821584755
2012 18.74879179675335
2013 18.606043715742533
2014 18.461629985653936
2015 18.318649316785784
2016 18.18521052991706
2017 18.064238538304377
2018 17.932731351106344
2019 17.782165271629548
2020 17.617229477085786
2021 17.436910872611826
2022 17.225843550979075
2023 16.99594215669544