Annual % of total population
1960 40.5643898393559
1961 40.3161132775944
1962 40.0574078635921
1963 39.8952419797892
1964 39.8387109810705
1965 39.896474648053
1966 40.0635419201752
1967 40.2295652302102
1968 40.3897508764664
1969 40.5411057513658
1970 40.6901097209885
1971 40.838922860478
1972 40.9881912771814
1973 41.1366603042151
1974 41.2790365051307
1975 41.4150245763542
1976 41.5438359437437
1977 41.6629692311371
1978 41.7680509416625
1979 41.8632877642462
1980 41.9527642486891
1981 42.0343597555997
1982 42.1063045990398
1983 42.1584622165501
1984 42.1863601076218
1985 42.1924016775088
1986 42.1779603546425
1987 42.1420317260216
1988 42.0835062059293
1989 42.0013266961774
1990 41.9186773201156
1991 41.8207359391238
1992 41.6606831469894
1993 41.4311167771937
1994 41.1536864076338
1995 40.8147500834066
1996 40.4128232129103
1997 39.9383760160186
1998 39.3860637090152
1999 38.7752850312615
2000 38.0888681504137
2001 37.2863598537218
2002 36.3758545379357
2003 35.368098111174
2004 34.2703975901205
2005 33.257854770602
2006 32.4553162636398
2007 31.7256773816833
2008 30.9937700891789
2009 30.29372453605
2010 29.6389241073738
2011 29.0361200032804
2012 28.5000045067188
2013 28.021638426179
2014 27.5487976620036
2015 27.0265743184882
2016 26.4602143481627
2017 25.8207179666231
2018 25.0857338932799
2019 24.3031875318421
2020 23.5262897634452
2021 22.8027110438574
2022 22.1431264417762
2023 21.5352075024336