Year % of female population 1960 2.04588435309175 1961 1.97958439664601 1962 1.91938412880466 1963 1.87272124627113 1964 1.83611796721726 1965 1.81114504278414 1966 1.80083827142651 1967 1.80346453209462 1968 1.85503527902502 1969 1.97010088938938 1970 2.08584302608713 1971 2.12487365616099 1972 2.05095098574763 1973 1.8865379499496 1974 1.70434201417898 1975 1.5807476483843 1976 1.53850008072463 1977 1.51401592603103 1978 1.43132730803387 1979 1.28351445710655 1980 1.12805096748471 1981 1.09351989326812 1982 1.14271814372549 1983 1.15667373375694 1984 1.12681729703551 1985 1.0715780389765 1986 1.04264378760601 1987 1.04773234228888 1988 1.05648566293407 1989 1.06291459718124 1990 1.06459547996268 1991 1.06235893671983 1992 1.05779324427316 1993 1.05211848261516 1994 1.04693181138399 1995 1.04436236786923 1996 1.03698661629394 1997 1.02692028091122 1998 1.02664359065089 1999 1.03771014835374 2000 1.05820743139816 2001 1.08388520363946 2002 1.10855329618476 2003 1.13046221867471 2004 1.15539884368084 2005 1.15545865858465 2006 1.04360217477175 2007 0.834330454687337 2008 0.631826731582051 2009 0.497256066294064 2010 0.521159365002297 2011 0.6637896527728 2012 0.818518099276459 2013 0.983123057545636 2014 1.15448799668694 2015 1.33055780033259 2016 1.51196396866622 2017 1.70256793174107 2018 1.90826898803878 2019 2.13418819846783 2020 2.33717489523619 2021 2.51657184315698 2022 2.65837464740687 2023 2.75806864284729