Annual % of total population
1960 36.3147660816548
1961 35.5352166361879
1962 34.619110930923
1963 33.6300744381094
1964 32.5755025670418
1965 31.5179794179552
1966 30.5147166960541
1967 29.5908343393675
1968 28.7140137491727
1969 27.8823471788382
1970 27.1298991167164
1971 26.4631115934992
1972 25.8055156996885
1973 25.1880971432005
1974 24.6718449414217
1975 24.2191484235918
1976 23.9096240650538
1977 23.7183041324758
1978 23.5947799240533
1979 23.5533170031304
1980 23.5875498745455
1981 23.6436365364791
1982 23.7533065326929
1983 23.9175702711688
1984 24.0155626058263
1985 24.0264380903278
1986 23.9410778164199
1987 23.8073987313082
1988 23.6672069724556
1989 23.4930345722303
1990 23.240688412292
1991 22.9502304909953
1992 22.6831540862027
1993 22.3905138424188
1994 22.019320430153
1995 21.6073914130866
1996 21.254370323073
1997 20.8983935489927
1998 20.4818049212385
1999 20.0551792061518
2000 19.6140391747232
2001 19.119162803073
2002 18.5565303553139
2003 17.9699153885663
2004 17.3773876371856
2005 16.8123244792886
2006 16.3116264082345
2007 15.842273727738
2008 15.4285845600463
2009 15.1066185318893
2010 14.8161812993278
2011 14.5243654546699
2012 14.2535478603512
2013 14.012342151877
2014 13.8147033986574
2015 13.6617252016904
2016 13.5656022492811
2017 13.5032127416856
2018 13.4093525853055
2019 13.2949589434401
2020 13.1987860865651
2021 13.1344589822837
2022 13.1489482191545
2023 13.2026138904749