Annual % of total population
1960 33.733019210741
1961 33.887704307462
1962 33.9197023790505
1963 33.8354601183369
1964 33.6269423376176
1965 33.2920738460257
1966 32.824129563195
1967 32.2392266777081
1968 31.595570088909
1969 30.9226096233661
1970 30.1367715350762
1971 29.3019647279765
1972 28.5186323185248
1973 27.7313548036046
1974 26.94309839477
1975 26.174762446398
1976 25.4318141821208
1977 24.7169249347948
1978 24.0162691253834
1979 23.3475207443506
1980 22.7695381224889
1981 22.3292278082744
1982 22.0184158188843
1983 21.7771328786092
1984 21.5470089524578
1985 21.2955916926152
1986 21.0620885507625
1987 20.9105167576737
1988 20.8194766941448
1989 20.7522894791687
1990 20.7096852467501
1991 20.6975159571342
1992 20.6959958448746
1993 20.655386175464
1994 20.5502338180506
1995 20.3963700547527
1996 20.2105832870878
1997 19.9959779474126
1998 19.7518548133589
1999 19.4772313711836
2000 19.1803802148155
2001 18.8801514058626
2002 18.5939355601062
2003 18.3133577592273
2004 18.0129503413461
2005 17.6890127848608
2006 17.3790286920821
2007 17.1221790968561
2008 16.9139866334585
2009 16.7285836301852
2010 16.5573556544119
2011 16.417837372268
2012 16.325320924896
2013 16.2713032692422
2014 16.2428037615894
2015 16.2364324473724
2016 16.2256366948544
2017 16.1748393949584
2018 16.0869478578438
2019 15.9841708131805
2020 15.8683623523158
2021 15.7333681352269
2022 15.5770948741347
2023 15.4052205816818