Year % of female population 1960 15.3750717978174 1961 15.5906577908157 1962 15.8231491321289 1963 16.0836732922489 1964 16.3466032204614 1965 16.5069532500468 1966 16.5392746788096 1967 16.4674107320173 1968 16.3182188433342 1969 16.0846580896982 1970 15.7550612161737 1971 15.349932095971 1972 14.8927882146715 1973 14.5153746210481 1974 14.2888628926979 1975 14.1717659154603 1976 13.978878960195 1977 13.618509292968 1978 13.33501188097 1979 13.1103158549868 1980 12.8577807202574 1981 12.7433062231564 1982 12.6332316797005 1983 12.3349865891484 1984 12.0498038749554 1985 11.7751060820368 1986 11.4804155039666 1987 11.3879724489205 1988 11.3356552149174 1989 11.1393555533465 1990 10.9107798843052 1991 10.7239541179426 1992 10.5579232855482 1993 10.4069727541006 1994 10.352733686067 1995 10.2722507488233 1996 10.036400084406 1997 10.0931312446195 1998 10.0885115606936 1999 9.64214332089979 2000 9.23216057679022 2001 8.83964884436068 2002 8.57345704702916 2003 8.52072723753765 2004 8.4899561855053 2005 8.49020861452488 2006 8.53497219783436 2007 8.59656230105909 2008 8.69639813787503 2009 8.83472876625651 2010 8.86741874232101 2011 8.87325654589025 2012 8.93923025719929 2013 8.89210154387252 2014 8.74344935053846 2015 8.6562625388043 2016 8.62000543058253 2017 8.54702620082826 2018 8.50794299433008 2019 8.49687079782018 2020 8.43661774422842 2021 8.30347127783127 2022 8.1096533165101 2023 7.8887355511838