Year % of female population 1960 2.21664688954218 1961 2.22950147513223 1962 2.23101854525771 1963 2.23083812615391 1964 2.22127568266941 1965 2.21234150960397 1966 2.20824331224007 1967 2.20465908736123 1968 2.20233612548006 1969 2.20039668642126 1970 2.19551736218812 1971 2.18516838594383 1972 2.18712830413356 1973 2.18532519729937 1974 2.16575518267843 1975 2.14935237416844 1976 2.13558225882774 1977 2.11776353265723 1978 2.09497446726419 1979 2.07471715443038 1980 2.03351132187433 1981 1.99250431368714 1982 1.96635955131859 1983 1.93639045819489 1984 1.90765624458018 1985 1.88048250622954 1986 1.85446058827613 1987 1.82326265062355 1988 1.78960845306721 1989 1.75785243213393 1990 1.72741205916107 1991 1.69938615883956 1992 1.67020569327834 1993 1.68277169814094 1994 1.67175111928677 1995 1.62949615394764 1996 1.63100291500088 1997 1.63800015484336 1998 1.63639121634075 1999 1.63348121842358 2000 1.63217035405277 2001 1.62613652532889 2002 1.61638167358873 2003 1.60370218617703 2004 1.58750802459004 2005 1.57145696011641 2006 1.55441496652664 2007 1.53214717466416 2008 1.50568608565799 2009 1.46223778916061 2010 1.45307334392855 2011 1.48925167098599 2012 1.52120518250568 2013 1.54882267345756 2014 1.58258339953338 2015 1.59636504084188 2016 1.58027659912852 2017 1.56147194483743 2018 1.53916475715047 2019 1.51536812606177 2020 1.49144549292267 2021 1.46581327705819 2022 1.44459171014001 2023 1.4295749087212