Year % of total population 1960 49.82031187905689 1961 49.80559644605294 1962 49.796838745144264 1963 49.7963204809854 1964 49.79545248871748 1965 49.79582771605904 1966 49.799069456598886 1967 49.79683983270379 1968 49.790019080375465 1969 49.78701266976023 1970 49.793106921974115 1971 49.809609102956884 1972 49.82831653806468 1973 49.8459155081228 1974 49.86278562178696 1975 49.877160157187475 1976 49.88851707225908 1977 49.891947753975714 1978 49.887753337128125 1979 49.8828138325468 1980 49.878830500821934 1981 49.87816321861294 1982 49.87866339794275 1983 49.87580918994509 1984 49.88023793428279 1985 49.89086056096224 1986 49.89899970193881 1987 49.90763470101943 1988 49.921256203037345 1989 49.936411638583834 1990 49.947278942363575 1991 49.95380512518643 1992 49.959201224597784 1993 49.96670074135895 1994 49.97437278702989 1995 49.979418852465095 1996 49.98222380108097 1997 49.9827984529725 1998 49.98673061969648 1999 49.99509941099561 2000 50.00387519989938 2001 50.01198314633295 2002 50.02389592740358 2003 50.04042403204894 2004 50.05623101293192 2005 50.069696964151305 2006 50.083404194062055 2007 50.09931417889063 2008 50.11519519198089 2009 50.13129091849253 2010 50.146952429925186 2011 50.160066652331736 2012 50.1708317193054 2013 50.18135001113997 2014 50.19208745048239 2015 50.20340912114705 2016 50.21648637343842 2017 50.22970774621059 2018 50.24163157614424 2019 50.2527312738065 2020 50.26104449777552 2021 50.26754772176925 2022 50.27403128830129 2023 50.280148743994