Year % of female population 1960 1.28182999763555 1961 1.25329460193106 1962 1.2337734546965 1963 1.22086968530923 1964 1.21061506729479 1965 1.20348156288534 1966 1.19966819789221 1967 1.19705990517747 1968 1.1964461801556 1969 1.19804442492983 1970 1.2015184782925 1971 1.20704157889729 1972 1.214925758811 1973 1.22376161025126 1974 1.23194365660456 1975 1.24024093310665 1976 1.24850335071995 1977 1.25572367266356 1978 1.26305525606441 1979 1.27232473626999 1980 1.28357628031475 1981 1.29645793684236 1982 1.3107638757634 1983 1.32497070564342 1984 1.33630325799119 1985 1.34391531772471 1986 1.3479366854429 1987 1.34830280490749 1988 1.34575314516193 1989 1.34168648443443 1990 1.33648034746106 1991 1.33033483674841 1992 1.3247417705665 1993 1.3193186302365 1994 1.31320664601178 1995 1.30626313755182 1996 1.29851143265832 1997 1.29437776127137 1998 1.2911388809471 1999 1.28471578308878 2000 1.27828946994915 2001 1.27434609875711 2002 1.26826435885686 2003 1.25789154270093 2004 1.24802238020547 2005 1.23895013042258 2006 1.23007104558612 2007 1.22120617297397 2008 1.21203397207566 2009 1.20111551445765 2010 1.1880823311516 2011 1.17644734153845 2012 1.1673425747878 2013 1.1593290362 2014 1.15301244195742 2015 1.14793803752002 2016 1.14061333959743 2017 1.12893113251444 2018 1.11252114527985 2019 1.08232073378248 2020 1.05917078179269 2021 1.05390654448057 2022 1.0517934190163 2023 1.05717541698802