Annual % of total population
1960 55.9438521735123
1961 55.7924549379349
1962 55.650640196462
1963 55.5176002115832
1964 55.3947123942868
1965 55.284694613006
1966 55.1927653712771
1967 54.8491005231124
1968 54.2649885833249
1969 53.7138542112685
1970 53.2035279599719
1971 52.7330950042411
1972 52.2990370401425
1973 51.8974913506236
1974 51.5223729739341
1975 51.1958756105182
1976 50.9716843430605
1977 50.8556242685032
1978 50.7935244021806
1979 50.7442014380711
1980 50.6988133599304
1981 50.6566143995756
1982 50.615997457671
1983 50.574875631481
1984 50.5332534147096
1985 50.5157119732393
1986 50.5791987314081
1987 50.6594409805178
1988 50.7017516538014
1989 50.7419821616431
1990 50.7806850150389
1991 50.8177877233728
1992 50.8551218800898
1993 50.8959531747387
1994 50.9380093183338
1995 50.9810095657933
1996 51.0250637052465
1997 51.0558005534886
1998 51.0731809759982
1999 51.0868033634818
2000 51.093799252488
2001 51.0948634965313
2002 51.0933981599312
2003 51.0928586122637
2004 51.0944985957376
2005 51.0990055749298
2006 51.1093799006465
2007 51.0775839251008
2008 51.0329752071915
2009 51.0085015247597
2010 50.9700422247567
2011 50.9257355311956
2012 50.8762759658503
2013 50.8287852246377
2014 50.7873553508378
2015 50.7554090802026
2016 50.7296144545943
2017 50.7070109558711
2018 50.6870056055072
2019 50.6692270573509
2020 50.6594649749346
2021 50.6587465712655
2022 50.6685893335357
2023 50.6837693396352