Annual % of total population
1960 47.3156547942758
1961 47.6638726525601
1962 48.0528868561297
1963 48.5096690203835
1964 48.733595084276
1965 48.6740548466056
1966 48.6049503669858
1967 48.5500490052737
1968 48.5085946097775
1969 48.4796141124292
1970 48.4659619403994
1971 48.47448168828
1972 48.5077062120793
1973 48.5683637271023
1974 48.6464497811945
1975 48.7521777833907
1976 48.8928003317862
1977 49.1427456561586
1978 49.6662148914507
1979 50.1991786753063
1980 49.7190892500148
1981 49.0263472077496
1982 48.8068173481685
1983 48.7977828755609
1984 48.8313184856417
1985 48.6579938784989
1986 48.4420648501777
1987 48.5047057724728
1988 48.7620625873482
1989 48.5675244400309
1990 48.0192394758378
1991 47.3910644967173
1992 47.0120615503396
1993 46.7664460258059
1994 46.299705099942
1995 45.636161187858
1996 44.7777055834984
1997 43.8995048713954
1998 43.0902074094651
1999 42.4365195119394
2000 42.0040505543181
2001 41.7984334199271
2002 41.7205884463485
2003 41.7458313522753
2004 41.9190335832152
2005 42.1632503398331
2006 42.3323687866419
2007 42.4725522562505
2008 42.678742560714
2009 42.9127605224369
2010 43.1700551033992
2011 43.3837576775603
2012 43.4539477379042
2013 43.3704403806256
2014 43.1723631332054
2015 42.8726705035847
2016 42.5178830716424
2017 42.1522976488331
2018 41.7987947795483
2019 41.4689727497105
2020 41.1560846287343
2021 40.8933046900733
2022 40.6340030355619
2023 40.2783436121593