Year % of female population 1960 1.96144399959627 1961 2.02078713051537 1962 2.06099114644648 1963 2.08815609203005 1964 2.10300892045542 1965 2.09549671871464 1966 2.0699531972066 1967 2.04034515598395 1968 2.02064294464706 1969 2.01361627364318 1970 2.00272917001124 1971 1.99712831223078 1972 2.00303451441394 1973 2.00879235836955 1974 2.01026414360072 1975 2.00249272953885 1976 1.98329129156928 1977 1.95702874139505 1978 1.92950720824426 1979 1.9070690685563 1980 1.90310698603625 1981 1.91906973907563 1982 1.90948370268602 1983 1.87507324504863 1984 1.8483244474649 1985 1.82547041688911 1986 1.80881154856604 1987 1.79684569632236 1988 1.78582301824097 1989 1.77722407261448 1990 1.77402829190904 1991 1.78131636533943 1992 1.78796053828688 1993 1.78953737317323 1994 1.78423268099229 1995 1.76965347089828 1996 1.75230982954671 1997 1.72950060760373 1998 1.70013253338274 1999 1.66878631806013 2000 1.64438094709685 2001 1.62153319746716 2002 1.60510011911813 2003 1.59768034716952 2004 1.58589583820953 2005 1.56052350658086 2006 1.52362491496957 2007 1.48078097833748 2008 1.42540150338003 2009 1.35770936953892 2010 1.28450216639918 2011 1.21277463096464 2012 1.16103057888596 2013 1.13357069616699 2014 1.12686167254785 2015 1.14433516857224 2016 1.17942712145611 2017 1.23017701493684 2018 1.29538819127526 2019 1.36449067698835 2020 1.41333077692108 2021 1.43915135686303 2022 1.46658185088508 2023 1.49714634702313