Annual % of total population
1960 39.1268500159658
1961 39.018137570559006
1962 39.07680477897929
1963 39.48099716760927
1964 39.79923023208319
1965 39.86456116042791
1966 39.82458019734827
1967 39.60820686825852
1968 39.37637225405501
1969 39.20806388963173
1970 38.977795235795725
1971 38.7644502984353
1972 38.47594187543582
1973 38.1829202906899
1974 38.04707977756685
1975 37.94771785786814
1976 37.82251225026877
1977 37.39212941388526
1978 36.477205707876784
1979 35.53595180865377
1980 34.76097401507937
1981 34.071848787495625
1982 33.52735046298578
1983 32.918497112811615
1984 32.20608439129582
1985 31.547634203835504
1986 30.980553153053854
1987 30.549522982941195
1988 30.167693002192994
1989 29.83902806060118
1990 29.63773679837309
1991 29.43403194477755
1992 29.162684325394387
1993 28.872473668500934
1994 28.521013623296202
1995 28.097772719020714
1996 27.602813690402936
1997 27.007324337799524
1998 26.401919927391624
1999 25.8184439073801
2000 25.197107950567148
2001 24.50560701436271
2002 23.72726340355927
2003 22.966546950635745
2004 22.25105632815715
2005 21.523045530531846
2006 20.91894901277534
2007 20.506330006665262
2008 20.19331936866477
2009 19.95182782560459
2010 19.753185973637347
2011 19.592794220880545
2012 19.503459213240955
2013 19.458790453524642
2014 19.433276867346493
2015 19.392988740664027
2016 19.349901269799517
2017 19.342547042038884
2018 19.28929108951154
2019 19.162387685177453
2020 18.966682359986898
2021 18.700715828375447
2022 18.384371219352815
2023 18.029727593363347