Annual % of total population
1960 40.716168597731695
1961 40.537409152002596
1962 40.6367228917382
1963 41.185502880867126
1964 41.68029843132223
1965 41.90188592783996
1966 41.9935032189688
1967 41.87803556170631
1968 41.73505749327328
1969 41.662321713045266
1970 41.52220837725289
1971 41.3903214524913
1972 41.15326112951641
1973 40.905329285140986
1974 40.833750587015494
1975 40.79373578505512
1976 40.7136111031435
1977 40.263933071753485
1978 39.236523365302205
1979 38.15564927130631
1980 37.24610404663688
1981 36.42053311149301
1982 35.75222731016527
1983 35.001938194200335
1984 34.12750139114519
1985 33.31636879565733
1986 32.60998935950456
1987 32.066371223371405
1988 31.593233984549
1989 31.203237409518053
1990 30.98365576326138
1991 30.776916354286726
1992 30.503389374657534
1993 30.220230045539534
1994 29.87324489939648
1995 29.451923088485543
1996 28.962799202257838
1997 28.376130209788133
1998 27.789467695544683
1999 27.235537354328294
2000 26.650499237491786
2001 26.002709207757547
2002 25.26498123735849
2003 24.532895364928237
2004 23.830683856967905
2005 23.1074333463981
2006 22.515633707774104
2007 22.122423802873104
2008 21.819469462557453
2009 21.579684075012434
2010 21.381425641203755
2011 21.217353244197383
2012 21.118675710889157
2013 21.060160383558603
2014 21.01327554330765
2015 20.9428900876541
2016 20.869463252344122
2017 20.839295438378425
2018 20.762834370874504
2019 20.610215262551776
2020 20.385873937277463
2021 20.08461959226802
2022 19.737820671386608
2023 19.358315790933894