Year % of female population 1960 34.3502810462096 1961 34.1512928542849 1962 33.8051405639689 1963 33.4079870995313 1964 33.0046251699121 1965 32.6629893250536 1966 32.3682282509008 1967 32.052602749958 1968 31.7803061668274 1969 31.6518742810127 1970 31.665783460882 1971 31.7570960988021 1972 31.8193639804136 1973 31.8636102079396 1974 31.9409046961702 1975 31.9887728710324 1976 32.0595814867412 1977 32.1076991541776 1978 32.0722918369313 1979 31.9973900236089 1980 31.8876639338386 1981 31.7623083603088 1982 31.6397434684978 1983 31.5257194240571 1984 31.3831759172026 1985 31.1675294302448 1986 30.8755272538065 1987 30.575397469312 1988 30.2880460236692 1989 29.9605185823365 1990 29.6021015014535 1991 29.2515892599819 1992 28.9268132233205 1993 28.6222485397486 1994 28.3257516021236 1995 28.0524065858213 1996 27.8359461597144 1997 27.6508855346386 1998 27.452439180757 1999 27.2624282261371 2000 27.1007304681362 2001 26.9501867664272 2002 26.8422029522426 2003 26.7817729591701 2004 26.7257653420157 2005 26.6642775157656 2006 26.6085970429042 2007 26.6144695815009 2008 26.6827385142092 2009 26.7705838066739 2010 26.8829819377392 2011 26.977992756101 2012 27.0627011422359 2013 27.13766771403 2014 27.1892893804159 2015 27.2780526760789 2016 27.3949420065007 2017 27.4591393865393 2018 27.4406910888049 2019 27.4326010722074 2020 27.4307956262324 2021 27.3747918117048 2022 27.2868385946219 2023 27.1701864445942