Annual % of total population
1960 11.096595823620259
1961 11.421260632213507
1962 11.755180648883405
1963 12.1043999071502
1964 12.492398343148068
1965 12.88764390525009
1966 13.291748895234099
1967 13.702247092272604
1968 14.119931916379347
1969 14.543729810469294
1970 14.97954610807492
1971 15.342423878857137
1972 15.395043450669219
1973 15.4494628080844
1974 15.479788286266377
1975 15.515592338793075
1976 15.557833981463324
1977 15.606974080850897
1978 15.67793197091043
1979 15.782324734600978
1980 15.883890971144387
1981 15.971055364885059
1982 16.072311224872603
1983 16.19297496798815
1984 16.33873551810164
1985 16.50006351258054
1986 16.671058305298235
1987 16.85084954495323
1988 17.032071328351957
1989 17.20450704416354
1990 17.379831686306417
1991 17.561988579916896
1992 17.754607230078253
1993 17.95824718685114
1994 18.177572720236267
1995 18.31863630308715
1996 18.064263689297068
1997 17.844582944066968
1998 17.65047385171569
1999 17.474125117478085
2000 17.310200494922924
2001 17.16365311421817
2002 17.03221102999312
2003 16.9113754451855
2004 16.796742355450192
2005 16.686997839285837
2006 16.789018648196112
2007 16.88720351289614
2008 16.98177695761272
2009 17.071644925284705
2010 16.93937941853233
2011 16.806833695887946
2012 16.675601643416655
2013 16.546679001251597
2014 16.42098895158968
2015 16.297992029337323
2016 16.177554902895263
2017 16.059607451980796
2018 15.944702508264694
2019 15.838595998393739
2020 15.744738483946241
2021 15.660838415657743
2022 15.587692807199133
2023 15.533094626833051