Annual % of total population
1960 39.38707748348008
1961 39.54491187339207
1962 39.68153575983173
1963 39.834297647241314
1964 39.969986661571944
1965 40.0827094414461
1966 40.18505588255541
1967 40.28449036837502
1968 40.38500920601032
1969 40.479814098986346
1970 40.575967711219754
1971 40.684260801049
1972 40.803685321008274
1973 40.91519979429065
1974 41.00081578548088
1975 41.082303052296574
1976 41.173888824220704
1977 41.255182518991404
1978 41.31749237102473
1979 41.38962884544452
1980 41.459845437009356
1981 41.52485847778925
1982 41.60576012143339
1983 41.68964846909874
1984 41.770471913489885
1985 41.84322655173847
1986 41.90065554593836
1987 41.94742325627457
1988 41.978267074029986
1989 41.98774233127082
1990 42.0086253385142
1991 41.974626234137624
1992 41.94645515105742
1993 41.94180409637715
1994 41.865940999615674
1995 41.755500126573104
1996 41.71294690993986
1997 41.673948724987085
1998 41.58897309876269
1999 41.48385351663289
2000 41.37724513910472
2001 41.268956355378755
2002 41.18750724188036
2003 41.12800073414206
2004 41.060689993609905
2005 40.9889949130292
2006 40.91174435629445
2007 40.85255293996482
2008 40.82152166654044
2009 40.7909589085592
2010 40.75716662675926
2011 40.72866033449601
2012 40.710664383065094
2013 40.70149071468493
2014 40.680720078665466
2015 40.629974650964336
2016 40.547934930152245
2017 40.44204823170539
2018 40.32117349104514
2019 40.17348385036557
2020 40.00057466386073
2021 39.82329004622807
2022 39.759924595455
2023 39.51941779226993