Annual % of total population
1960 36.9994204603152
1961 36.8675573259965
1962 36.8685627426807
1963 36.8123840000423
1964 36.5115241344027
1965 36.1798134603632
1966 35.7959108430338
1967 35.3083343142507
1968 34.6992851765327
1969 34.0100391704568
1970 33.294794792076
1971 32.6259528299836
1972 31.9513652230666
1973 31.2354946708493
1974 30.530086258813
1975 29.8529379435213
1976 29.207608932757
1977 28.6467391497884
1978 28.214339421327
1979 27.8822935966295
1980 27.6232116759997
1981 27.4407742246863
1982 27.282269527449
1983 27.1167890050906
1984 26.9597401696199
1985 26.7999281540102
1986 26.6364983114133
1987 26.46615560203
1988 26.2735597762229
1989 26.0419108121599
1990 25.7549748700453
1991 25.3224355644415
1992 25.0965487252991
1993 25.1711033089905
1994 25.1573992595557
1995 24.9367176017307
1996 24.5109191513196
1997 23.9549683208069
1998 23.3321799075885
1999 22.8110190912691
2000 22.4774287508118
2001 22.2792716803092
2002 21.998298088328
2003 21.583956680914
2004 21.1365860508427
2005 20.6455833979783
2006 20.1442715557413
2007 19.6786110599149
2008 19.2489359978564
2009 18.8324889492353
2010 18.4557423054807
2011 18.1041242916705
2012 17.7917558555031
2013 17.5304815324594
2014 17.3097685783105
2015 17.1166036199894
2016 16.9116044196842
2017 16.676613895454
2018 16.4229939942966
2019 16.2245007038203
2020 16.1207708976224
2021 16.0657861581397
2022 16.0105913335341
2023 15.9203789269586