Year % of total population 1960 51.1141559514491 1961 50.999707554998 1962 50.8581973940531 1963 50.7246009549434 1964 50.597249075809 1965 50.478836382367 1966 50.371686672923 1967 50.2719177963814 1968 50.1800038773356 1969 50.1005636827038 1970 50.0408772615789 1971 50.0305526103215 1972 50.0373480453455 1973 50.0191601354626 1974 49.9966276771027 1975 49.9838489270359 1976 49.9995527645526 1977 49.9760749992425 1978 49.8961949184958 1979 49.8135193985589 1980 49.7378562568361 1981 49.6846546619329 1982 49.624528485394 1983 49.5238225800402 1984 49.4669696886345 1985 49.4729751279773 1986 49.4794255981492 1987 49.4893643188112 1988 49.502364317317 1989 49.51760999391 1990 49.5366344053486 1991 49.5588245782758 1992 49.5819240875316 1993 49.6082796346206 1994 49.6139923503834 1995 49.5998537520255 1996 49.5909159432213 1997 49.5922167895406 1998 49.601799825036 1999 49.6115695269349 2000 49.6286593650139 2001 49.6544614694594 2002 49.6799597424185 2003 49.7019903969683 2004 49.722369363097 2005 49.7418472396548 2006 49.7614053085327 2007 49.7790058511105 2008 49.7954808761475 2009 49.8108194050346 2010 49.8255210546008 2011 49.8394505276494 2012 49.8476028046267 2013 49.8550639973404 2014 49.8623652033358 2015 49.868014337878 2016 49.8726361437115 2017 49.8757571488196 2018 49.8791942804168 2019 49.8811412495729 2020 49.8791640290623 2021 49.8751881908192 2022 49.8720839816859 2023 49.8696895857612