Annual % of total population
1960 29.2554710438883
1961 29.0864907056833
1962 29.0504328984642
1963 29.0192913952443
1964 29.0231897877707
1965 29.0899582277584
1966 29.1620425346215
1967 29.1936807645246
1968 29.1485969975155
1969 29.0468651828647
1970 28.687502457929
1971 28.3314494417775
1972 28.1330201083042
1973 27.8559459966332
1974 27.5938866713728
1975 27.3688066942466
1976 27.1847159125894
1977 26.9943367145586
1978 26.6927991219278
1979 26.2884686669774
1980 25.826193634369
1981 25.3499631521621
1982 24.9061795469469
1983 24.4919885424325
1984 24.0750584045685
1985 23.6088643719443
1986 23.0695654228169
1987 22.4802270732326
1988 21.8575101438547
1989 21.191166205412
1990 20.4554784055633
1991 19.6920005982126
1992 19.0397117633097
1993 18.5605722839326
1994 18.141480756165
1995 17.725554193591
1996 17.3554283482418
1997 17.039816894425
1998 16.7723480783351
1999 16.568199583148
2000 16.3590793588215
2001 16.1899855753364
2002 16.1167571756779
2003 16.057852012588
2004 15.9813691767727
2005 15.8918893852312
2006 15.7717700862765
2007 15.6204726095213
2008 15.4748049574516
2009 15.337634707893
2010 15.1728008789996
2011 14.9932616022261
2012 14.8404888536361
2013 14.6782202935916
2014 14.4694002097542
2015 14.235026593914
2016 14.0486712495692
2017 13.9039129645997
2018 13.7585053599013
2019 13.6276627142885
2020 13.4956608643372
2021 13.3432969524212
2022 13.1825264960644
2023 13.015489960825