Year % of female population 1960 1.28257421405315 1961 1.260557039324 1962 1.24298455193523 1963 1.23007272837328 1964 1.22335540546957 1965 1.22235158370581 1966 1.22725457251856 1967 1.238271025082 1968 1.25290696979277 1969 1.2672580500393 1970 1.28031938824214 1971 1.28935010220719 1972 1.29502387462463 1973 1.300927846737 1974 1.30794547998629 1975 1.31664941763284 1976 1.32682544654956 1977 1.3388182665264 1978 1.35106928690016 1979 1.35926856731004 1980 1.35987290993276 1981 1.35550054276476 1982 1.35095847378929 1983 1.34913495187726 1984 1.35176430609304 1985 1.35374001776477 1986 1.3530273644671 1987 1.35199466571776 1988 1.35123196830071 1989 1.35107563509454 1990 1.35105717571257 1991 1.35084683865907 1992 1.35325413786903 1993 1.35506992938538 1994 1.35532604223409 1995 1.35649075740299 1996 1.35862243608347 1997 1.36403114343948 1998 1.37134637414147 1999 1.37920363783669 2000 1.38549498869139 2001 1.39184556692567 2002 1.40237539266449 2003 1.41592974492843 2004 1.4318722430539 2005 1.45130249180121 2006 1.47391761669305 2007 1.49935837869133 2008 1.52717439347999 2009 1.55543364638073 2010 1.58024471907199 2011 1.60155201584909 2012 1.62250136791905 2013 1.64131226749261 2014 1.65418895825283 2015 1.65997350532231 2016 1.66875851554608 2017 1.68877556109184 2018 1.71935473004407 2019 1.76201538296264 2020 1.81402079009745 2021 1.86685683373009 2022 1.91579899307299 2023 1.96418800319117