Annual % of total population
1960 51.5491862205513
1961 51.5019385418944
1962 51.4539054793292
1963 51.4152430868936
1964 51.4087318262039
1965 51.4208403429475
1966 51.4328174343231
1967 51.4486532383603
1968 51.4686065991696
1969 51.491612699138
1970 51.5247135065442
1971 51.5699217086514
1972 51.6997872794705
1973 51.9074287722622
1974 52.1112088009516
1975 52.308110388821
1976 52.5000692731857
1977 52.7055775903145
1978 52.765293180266
1979 52.6730700100276
1980 52.5878563001632
1981 52.506927503967
1982 52.4305535639515
1983 52.3804470459445
1984 52.3560438120407
1985 52.3382272974443
1986 52.3210680763387
1987 52.3067623034096
1988 52.2945375235451
1989 52.2643546286749
1990 52.2158899800558
1991 52.1666883273612
1992 52.1184221909562
1993 52.0709477279026
1994 52.024753823315
1995 51.9805915850782
1996 51.9395039734001
1997 51.8779598052176
1998 51.8016979438575
1999 51.7297960870428
2000 51.656059331997
2001 51.585381632549
2002 51.5229396033758
2003 51.4802050362309
2004 51.4539628348532
2005 51.4288349442928
2006 51.3988672285659
2007 51.3498551287305
2008 51.2927808153751
2009 51.2390048284877
2010 51.1836300336871
2011 51.1285997230645
2012 51.073681712866
2013 51.0113459615598
2014 50.9467939407948
2015 50.8857488510455
2016 50.8245866846539
2017 50.7706887798274
2018 50.7247837745207
2019 50.6808088963923
2020 50.6332803391627
2021 50.5795442584991
2022 50.5401937449189
2023 50.5196327281204