Year % of female population 1960 2.23119986198943 1961 2.1798409854725 1962 2.16146093204271 1963 2.17765754334252 1964 2.2295365708102 1965 2.30400821385919 1966 2.40907294729736 1967 2.55012702169515 1968 2.68947652162709 1969 2.77619594207147 1970 2.80102261548525 1971 2.76651481855923 1972 2.66685182835881 1973 2.53761133764464 1974 2.4384427459324 1975 2.38284297295994 1976 2.37127444731227 1977 2.40773065340039 1978 2.45478061049786 1979 2.45536063767355 1980 2.39515913462723 1981 2.27745251819544 1982 2.10206664844333 1983 1.91131527130406 1984 1.79359488833418 1985 1.78204432231441 1986 1.84269206710479 1987 1.95966536859526 1988 2.11522968997511 1989 2.25388297194041 1990 2.34238283472545 1991 2.42298267233543 1992 2.50872207532147 1993 2.56217703820296 1994 2.5997944755332 1995 2.6283870795819 1996 2.60999523230475 1997 2.53573347927483 1998 2.4068208070249 1999 2.24673388633373 2000 2.12192128517103 2001 2.08710705344018 2002 2.12730486330111 2003 2.21196708046977 2004 2.31170435113053 2005 2.36347080590397 2006 2.31095491212411 2007 2.12735569393846 2008 1.82259248911312 2009 1.46357391164739 2010 1.14867548954186 2011 0.970942234154155 2012 0.972284781445839 2013 1.12577451591096 2014 1.37552082692405 2015 1.64776630393601 2016 1.86663166399391 2017 2.01461987928928 2018 2.12673220703383 2019 2.22433217605197 2020 2.30802142766268 2021 2.39342873757933 2022 2.50116848303126 2023 2.63353831849947