Year % of female population 1960 6.48379711242186 1961 6.55740102515043 1962 6.69693845211542 1963 6.93905747300885 1964 7.26482938081556 1965 7.65591009375976 1966 8.0569583047371 1967 8.34605174007913 1968 8.42905623636496 1969 8.3281951728569 1970 8.10483001979863 1971 7.80636436707169 1972 7.50162235415026 1973 7.30430999105072 1974 7.20212076662007 1975 7.12782078461028 1976 7.09462624764136 1977 7.08181860002248 1978 7.03871614083817 1979 6.99453326226021 1980 6.97913876851875 1981 6.98877871623801 1982 7.02770496261806 1983 7.13461850889965 1984 7.29802805229054 1985 7.47697316664 1986 7.67686971799863 1987 7.82138733319205 1988 7.79167008012689 1989 7.62735249335924 1990 7.41024084806298 1991 7.17948443465034 1992 7.02182129883475 1993 6.96209793137457 1994 6.95137123476146 1995 6.96137920111024 1996 6.89017842314609 1997 6.69584819267818 1998 6.49259962417301 1999 6.30487119262155 2000 6.08165801328407 2001 5.86295027836749 2002 5.69677920551786 2003 5.546004802868 2004 5.41230333832434 2005 5.33867921916505 2006 5.34069517064972 2007 5.39913687138567 2008 5.50243551398638 2009 5.6479089415285 2010 5.80133453041171 2011 5.94479618659881 2012 6.09840021837507 2013 6.2473613389693 2014 6.36965906719074 2015 6.4688719611435 2016 6.52399502191621 2017 6.52489023877764 2018 6.48298273060695 2019 6.40543756417988 2020 6.31126403708288 2021 6.22422851016975 2022 6.12126381288835 2023 6.01917167637181