Year % of female population 1960 17.3044221204103 1961 17.4458782310538 1962 17.5872717989143 1963 17.7210074880871 1964 17.8475030522897 1965 17.9680699349916 1966 18.0794748976408 1967 18.1780164250008 1968 18.2532536398006 1969 18.2977241313744 1970 18.3073910454965 1971 18.2761525303733 1972 18.2156366956644 1973 18.1435537671113 1974 18.0710328635167 1975 18.0045744316969 1976 17.95127648651 1977 17.9177396817331 1978 17.8971709599771 1979 17.8676649485695 1980 17.831902059842 1981 17.8060698579602 1982 17.7753760683601 1983 17.7305119321506 1984 17.6841386455684 1985 17.6266283234664 1986 17.5368376389256 1987 17.4276375353544 1988 17.3197461764499 1989 17.272206432594 1990 17.2380172807633 1991 17.1802669876608 1992 17.0537444736987 1993 16.9831756192037 1994 17.0251473918982 1995 17.1203111858705 1996 17.2408448358592 1997 17.2273485654995 1998 17.0547700987838 1999 16.8091586247386 2000 16.5502005986922 2001 16.344600632078 2002 16.2023313801934 2003 16.0679922140513 2004 15.9460409630197 2005 15.8483975129551 2006 15.7831230271217 2007 15.7536249776566 2008 15.867777739063 2009 16.1022899826634 2010 16.3329780930025 2011 16.5459779949199 2012 16.7083104030915 2013 16.5923768130148 2014 16.237768292243 2015 15.8736041165827 2016 15.5006237245972 2017 15.1302960926454 2018 14.898358675401 2019 14.7870947626745 2020 14.6720071178918 2021 14.5668432662549 2022 14.4690218397283 2023 14.3654097763664