Year % of female population 1960 2.51926076141125 1961 2.46265869418771 1962 2.32212617074984 1963 2.18886902250591 1964 2.12914350748857 1965 2.13010775510244 1966 2.11873580598943 1967 2.08057587902124 1968 2.0431837580239 1969 2.00743456647987 1970 1.97065877233444 1971 1.92927376224081 1972 1.88294963844774 1973 1.83518253722046 1974 1.7894884135541 1975 1.81393079606462 1976 1.90257030025247 1977 1.92310110819513 1978 1.88121037077572 1979 1.84371677935603 1980 1.81154666019521 1981 1.78512768656765 1982 1.7648311409385 1983 1.75044002635407 1984 1.74173964992776 1985 1.73909869267157 1986 1.74386632463744 1987 1.7570594537318 1988 1.77737130416538 1989 1.80233347457058 1990 1.83094492254102 1991 1.86218695277441 1992 1.89404610112535 1993 1.92483696730993 1994 1.95322918477917 1995 1.97915158292064 1996 2.05214418774204 1997 2.16450796143445 1998 2.21591467289161 1999 2.21163789991753 2000 2.20210132141468 2001 2.18887754930172 2002 2.17256018854005 2003 2.15341141087484 2004 2.13421727917323 2005 2.1227781608294 2006 2.12505586570442 2007 2.1469660088435 2008 2.19520287755804 2009 2.2716175966555 2010 2.37140057099505 2011 2.48460718719751 2012 2.60128734470208 2013 2.71401081664346 2014 2.81660329417344 2015 2.90520989911645 2016 2.98119624334309 2017 3.0465967097729 2018 3.10289809517456 2019 3.1533741695782 2020 3.19988494643909 2021 3.25038722760395 2022 3.31586549831309 2023 3.39987324313557