Annual % of total population
1960 52.8851698125795
1961 52.7878652438684
1962 52.6087663217208
1963 52.3940842780599
1964 52.1818227972347
1965 51.9720998050427
1966 51.7598458598625
1967 51.5499831189957
1968 51.3462851882646
1969 51.1499906650773
1970 51.0084870257813
1971 51.0294543534182
1972 51.2165704236266
1973 51.458432907407
1974 51.6984772044736
1975 51.9425051334702
1976 52.189632428383
1977 52.4323747773838
1978 52.6708054606414
1979 52.9049825634166
1980 53.0951915620646
1981 53.0966875392527
1982 52.9576886420956
1983 52.8260784177466
1984 52.7043905172696
1985 52.5891948192565
1986 52.4781349576351
1987 52.3724040628817
1988 52.2737116860542
1989 52.1806505654056
1990 52.0990884977356
1991 52.0273877779894
1992 51.9524960269357
1993 51.8773500379069
1994 51.8078948351197
1995 51.7450933682076
1996 51.6886892616987
1997 51.6382060772685
1998 51.5912715179435
1999 51.5453920694264
2000 51.4416771594607
2001 51.2829482485546
2002 51.130843076637
2003 50.9865879034929
2004 50.8501119027997
2005 50.7186091671114
2006 50.5907184836555
2007 50.4696542528426
2008 50.3525128542764
2009 50.2366000954158
2010 50.1941628358518
2011 50.2175268851856
2012 50.2259002292719
2013 50.232062821795
2014 50.244288340817
2015 50.2546335703393
2016 50.2618222975175
2017 50.264446308903
2018 50.2652301637599
2019 50.2670571720708
2020 50.2703212961692
2021 50.2751201258664
2022 50.2806208895235
2023 50.2831219244941