Annual % of total population
1960 40.75389449559285
1961 40.5794654713902
1962 40.68561622826366
1963 41.24307369314819
1964 41.743148100167595
1965 41.96618988895501
1966 42.05127053954956
1967 41.919991374292536
1968 41.76345578216753
1969 41.68296628125468
1970 41.53743236372267
1971 41.401866741517246
1972 41.16297362484471
1973 40.91813991933161
1974 40.8529195307549
1975 40.8191512103452
1976 40.745444868269594
1977 40.29827114310555
1978 39.267805671523305
1979 38.18398358264682
1980 37.27371479583293
1981 36.449326190056084
1982 35.78639320240866
1983 35.04108718206278
1984 34.16903134401751
1985 33.36056754200011
1986 32.65708328887363
1987 32.11807299510394
1988 31.64826581182394
1989 31.259079589346303
1990 31.040648431484534
1991 30.833244835490063
1992 30.556554312379884
1993 30.26960351039422
1994 29.918018226037674
1995 29.491680551580004
1996 28.99741891934332
1997 28.404834358600915
1998 27.812625174592362
1999 27.25396313476475
2000 26.66438774720879
2001 26.011829928560243
2002 25.268663090994885
2003 24.53146597759334
2004 23.82450668784093
2005 23.096646547662356
2006 22.50263606592789
2007 22.110175367238607
2008 21.809161884800616
2009 21.572013929070508
2010 21.37720909733856
2011 21.217164998684613
2012 21.122705895308336
2013 21.068165960041448
2014 21.024758981204883
2015 20.956896955729018
2016 20.885500541119814
2017 20.857423141535925
2018 20.78190836353015
2019 20.628912863251877
2020 20.40297070455913
2021 20.098808298276584
2022 19.748357423362766
2023 19.36481879816593