Year % of female population 1960 1.69201597160107 1961 1.69640139382953 1962 1.70243038749758 1963 1.7083527121768 1964 1.71128103069027 1965 1.71030157633284 1966 1.70615483077859 1967 1.69877656070094 1968 1.68922631386553 1969 1.67926289220176 1970 1.66933714595607 1971 1.65909416997465 1972 1.64805278009112 1973 1.63677906341114 1974 1.62577928912639 1975 1.61092905044275 1976 1.59602214357406 1977 1.58659333817578 1978 1.57612999414101 1979 1.55879815677932 1980 1.53864590991363 1981 1.52640548009414 1982 1.54346916300692 1983 1.60826714665123 1984 1.69048021145485 1985 1.75375143552868 1986 1.79138711180174 1987 1.79208667996334 1988 1.74669782808412 1989 1.67095824513326 1990 1.59865248063065 1991 1.54748680977727 1992 1.52257050349585 1993 1.52148742978511 1994 1.53111743932366 1995 1.53598296132122 1996 1.52625924731478 1997 1.49936120546068 1998 1.45208398730777 1999 1.39872882758548 2000 1.34661423518513 2001 1.30847135285717 2002 1.29323055891402 2003 1.28225591296244 2004 1.26545387698324 2005 1.24039706773921 2006 1.2069490182294 2007 1.16725714439488 2008 1.12789267309176 2009 1.09333665278518 2010 1.0714070776508 2011 1.06593092097823 2012 1.07259895086607 2013 1.08920209133744 2014 1.10938189504728 2015 1.12768686544829 2016 1.14551474454263 2017 1.16446025432033 2018 1.18485234492009 2019 1.21164390057367 2020 1.24568178303148 2021 1.28194902942864 2022 1.32211323302744 2023 1.36537399637806