Annual % of total population
1960 40.71990164594391
1961 40.974393042937905
1962 41.22509207737792
1963 41.472424443240925
1964 41.64263634916751
1965 41.711102191342206
1966 41.741160470767696
1967 41.74359214448812
1968 41.72564084554768
1969 41.688659768134954
1970 41.62097611398607
1971 41.551757345914574
1972 41.47790232450699
1973 41.381934954122485
1974 41.28123759398088
1975 41.15813943996063
1976 41.01918432739768
1977 40.87134912903465
1978 40.711292425995985
1979 40.55662277343423
1980 40.40772680143663
1981 40.26992184586977
1982 40.14842188967871
1983 40.03805011946091
1984 39.94402006125678
1985 39.84413002011362
1986 39.726320517816916
1987 39.590895185527614
1988 39.43282199904241
1989 39.26273650811729
1990 39.077513219489894
1991 38.878403592873106
1992 38.69582732485372
1993 38.507657173139116
1994 38.28055776758483
1995 38.01726025144094
1996 37.715231171728206
1997 37.389529821057344
1998 37.04816923866528
1999 36.689696938273556
2000 36.314330144969595
2001 35.93829624324738
2002 35.587176395564015
2003 35.2395498454667
2004 34.86648875613123
2005 34.4802113590608
2006 34.0865568920549
2007 33.692987677786185
2008 33.301130612003206
2009 32.89853931996009
2010 32.48149103325882
2011 32.05457978474969
2012 31.626365249518532
2013 31.198068459861407
2014 30.752572553447955
2015 30.291132805887596
2016 29.81871160345394
2017 29.331267564972535
2018 28.852085702050577
2019 28.387990951952595
2020 27.933668790850117
2021 27.526201406486074
2022 27.156676165174254
2023 26.76979785251538