Annual % of total population
1960 41.6596238505493
1961 42.1377032107982
1962 42.6942325768635
1963 43.3438490354022
1964 43.9871145970406
1965 44.8304968349861
1966 46.0065374165652
1967 47.240196168005
1968 48.3952481967205
1969 49.443479063765
1970 50.3767592004303
1971 51.1919144981413
1972 51.7776267440913
1973 51.7758854958316
1974 51.4115284342902
1975 50.9941023408469
1976 50.4202469218661
1977 49.724506797335
1978 48.9108564593507
1979 47.987888887035
1980 46.9979444564454
1981 46.0230034201308
1982 45.1424257002925
1983 44.3800838417662
1984 43.7074332306461
1985 43.1353339327215
1986 42.6812964205374
1987 42.2976377829974
1988 41.8795046207136
1989 41.3647680381013
1990 40.7801140575735
1991 40.13496405204
1992 39.4298937381161
1993 38.6697754517385
1994 37.8679791161779
1995 37.0763604879124
1996 36.335764247236
1997 35.6278030587603
1998 34.9282964744859
1999 34.2067553209788
2000 33.5184168511229
2001 32.9190324485833
2002 32.3879632791806
2003 31.9360600782244
2004 31.5660531202954
2005 31.2630160469724
2006 30.9368606780478
2007 30.5819701000996
2008 30.2733355377622
2009 30.023500866562
2010 29.8593458474774
2011 31.0958460485329
2012 32.4121801324237
2013 32.0957989688267
2014 31.8014685383035
2015 31.5535828339848
2016 31.2638605990644
2017 30.8840034231898
2018 30.4216189063158
2019 29.9229893099316
2020 29.3998354659539
2021 28.8562445167437
2022 28.2928071275352
2023 27.7078904382273