Year % of female population 1960 8.54787938227797 1961 8.79801971128423 1962 8.97898388193288 1963 9.15779950157335 1964 9.38255448260938 1965 9.77568283396623 1966 10.1682806082418 1967 10.4647438339946 1968 10.8381352785913 1969 11.1883487212713 1970 11.4675391881356 1971 11.7843947500266 1972 12.1629090507046 1973 12.5088040094411 1974 12.90049517481 1975 13.31229881438 1976 13.7496133722311 1977 14.2709734316189 1978 14.7519367779833 1979 15.1088927231929 1980 15.2723595838348 1981 15.1864883132516 1982 14.9770444730687 1983 14.8419903999652 1984 14.8268958078445 1985 14.7800814665543 1986 14.7863775789539 1987 14.9478479807697 1988 15.1988281232428 1989 15.5175608733868 1990 15.8820299640393 1991 16.2500527268603 1992 16.5355693696994 1993 16.8216575558295 1994 17.1165649681798 1995 17.3783740206459 1996 17.5714141691962 1997 17.6328071768309 1998 17.561902017249 1999 17.4151889293163 2000 17.4295889699189 2001 17.688495957636 2002 18.2071212354171 2003 18.8088760311288 2004 19.3156423875256 2005 19.6972413166197 2006 19.9552520244977 2007 20.0211265197519 2008 19.8044438903459 2009 19.5084172415132 2010 19.1742734090751 2011 18.9538183340162 2012 18.9413808246093 2013 18.9985489315078 2014 19.2243043458129 2015 19.5515557257122 2016 19.8833125501945 2017 20.2370063821974 2018 20.568953472957 2019 20.9578908967799 2020 21.3195763731795 2021 21.6129021911907 2022 23.373789481445 2023 25.054145386607