Annual % of total population
1960 25.631403566014
1961 25.1297097667236
1962 24.474982878871
1963 23.9222650529399
1964 23.5381631893534
1965 23.1742097327247
1966 22.7472304853637
1967 22.3069453360778
1968 21.9090319304355
1969 21.5826532114293
1970 21.331513971782
1971 21.1601246018331
1972 21.1069470141202
1973 21.2527378613044
1974 21.6388931360666
1975 22.12448798537
1976 22.5716540009315
1977 22.9533415105073
1978 23.2289657632504
1979 23.3814023908421
1980 23.4580945263175
1981 23.4990583036845
1982 23.5183970219427
1983 23.5223725316474
1984 23.4894326439825
1985 23.3979842706387
1986 23.2356192757613
1987 22.9739192524385
1988 22.5730705447668
1989 22.0304041085757
1990 21.4242380190449
1991 20.8584741979596
1992 20.3173362546274
1993 19.7750413039974
1994 19.2172983981431
1995 18.673779556469
1996 18.1854066343158
1997 17.726219591714
1998 17.2963120744615
1999 16.879980353487
2000 16.4653321882105
2001 16.0653730163292
2002 15.695759105387
2003 15.3396735716473
2004 15.0075250957533
2005 14.7099793552853
2006 14.4461448361761
2007 14.2767548196048
2008 14.2087701182329
2009 14.2417413599373
2010 14.4022231206883
2011 14.5912516397918
2012 14.7541526360151
2013 14.9214957079724
2014 15.0978330078263
2015 15.2715785342696
2016 15.4296845037808
2017 15.57872457402
2018 15.7260607979824
2019 15.8637464575584
2020 15.9618120049623
2021 16.0029438430681
2022 15.9524750652421
2023 15.7917190512511