Annual % of total population
1960 3.271743931512938
1961 3.4246631147769158
1962 3.584756917944692
1963 3.7521476901652715
1964 4.016063626283535
1965 4.393448021219289
1966 4.807307825915826
1967 5.2604466443275735
1968 5.756931508710742
1969 6.298558398620352
1970 6.891469632841051
1971 7.541793148890802
1972 8.25510053034286
1973 9.029205914175245
1974 9.885615548703859
1975 10.52390222144229
1976 10.71646708334689
1977 10.892627382147003
1978 10.587095932920066
1979 9.759904807210011
1980 9.350730725783677
1981 9.68800348040704
1982 10.083109241650222
1983 10.552293499419537
1984 10.99266449155443
1985 11.269354663812843
1986 11.544733005152
1987 11.893189777485455
1988 12.69130576927938
1989 13.786025427489468
1990 14.79116731646487
1991 16.412429957541562
1992 17.349883893337125
1993 17.001390632360877
1994 16.32321948186076
1995 15.901097361921416
1996 15.487276596029414
1997 15.101664491726673
1998 14.631689111716199
1999 14.190529906509397
2000 13.769074347027708
2001 13.361633832362429
2002 13.387017440994962
2003 13.420621931260229
2004 13.456245575671266
2005 13.519332411859725
2006 13.639301646837687
2007 9.895654758028625
2008 10.300982012028097
2009 10.767681295463944
2010 11.252527615963515
2011 11.868865893847975
2012 12.274405027649598
2013 12.50972088277092
2014 12.72082129438694
2015 12.952689447312412
2016 13.134591030044609
2017 13.299237141320761
2018 13.507308436377066
2019 13.640035541539175
2020 13.799400085239078
2021 13.992608865763199
2022 14.1921377403884
2023 14.38807591397809